| Gloria | 1982 | Sid Whitman | TV Show |
| Remington Steele | 1982 | Markham | TV Show |
| The New Odd Couple | 1982 | Hanley / Mr. Bakerman | TV Show |
| Star of the Family | 1982 | Wodehouse | TV Show |
| Reds | 1981 | Mr. Partlow | Movie |
| Best of the West | 1981 | Reverend Shelbourne | TV Show |
| The Fall Guy | 1981 | Caretaker / Mr. Fedder | TV Show |
| Open All Night | 1981 | Jogger | TV Show |
| Up the Academy | 1980 | Commandant Causeway | Movie |
| Trouble in High Timber Country | 1980 | | TV Movie |
| Flo | 1980 | Mr. Dennis | TV Show |
| It's a Living | 1980 | Judge Wilson | TV Show |
| The Frisco Kid | 1979 | Father Joseph | Movie |
| The Facts of Life | 1979 | Mr. Lazzeroni / Mr. Bigley | TV Show |
| Mean Dog Blues | 1978 | Judge | Movie |
| The Seniors | 1978 | Mr. Bleiffer | Movie |
| Taxi | 1978 | Old Man in the Hospital | TV Show |
| WKRP in Cincinnati | 1978 | Hirsch | TV Show |
| Soap | 1977 | Father Juniper / Monsignor | TV Show |
| We've Got Each Other | 1977 | Butch | TV Show |
| Dynasty | 1976 | Dr. Klauber | TV Movie |
| Alice | 1976 | Webster | TV Show |
| Good Heavens | 1976 | | TV Show |
| The Feather and Father Gang | 1976 | Maxson | TV Show |
| I Wonder Who's Killing Her Now? | 1975 | Philips the Butler | Movie |
| Mr. Sycamore | 1975 | Abner / Arnie | Movie |
| The Fortune | 1975 | Justice of the Peace | Movie |
| Barbary Coast | 1975 | Larch | TV Show |
| Barney Miller | 1975 | Joseph Spidonie / Rudolf Biederman | TV Show |
| Phyllis | 1975 | Minister | TV Show |
| Wonder Woman | 1975 | Bank Manager | TV Show |
| America, You're On | 1975 | Harley Dibble | TV Movie |
| Homebodies | 1974 | Mr. Loomis | Movie |
| The Terminal Man | 1974 | Priest | Movie |
| Police Woman | 1974 | Mr. Meservey | TV Show |
| The Cowboys | 1974 | Padre | TV Show |
| The Lives of Benjamin Franklin | 1974 | | TV Show |
| The Devil's Daughter | 1973 | Father MacHugh | TV Movie |
| Hawkins | 1973 | Orren Wooster | TV Show |
| The Magician | 1973 | Jacob Nord | TV Show |
| A Touch of Grace | 1973 | | TV Show |
| Emergency! | 1972 | Dr. Temple | TV Show |
| Hec Ramsey | 1972 | Judge P.B. Shelley | TV Show |
| The Rookies | 1972 | Calvin Elliott | TV Show |
| THX 1138 | 1971 | PTO | Movie |
| All in the Family | 1971 | Herbert Hooper | TV Show |
| Is There a Doctor in the House | 1971 | Amos Sweeney | TV Movie |
| The Andersonville Trial | 1970 | The Board of Military Judges | TV Movie |
| The Mary Tyler Moore Show | 1970 | Grandfather | TV Show |
| The Partridge Family | 1970 | Grandfather | TV Show |
| Night Gallery | 1969 | Dillingham (segment "Deliveries in the Rear") | TV Show |
| Adam-12 | 1968 | Mr. Morton | TV Show |
| Hawaii Five-O | 1968 | Mr. Miller | TV Show |
| Lancer | 1968 | Judge Bates / Judge / Judge Tolliver | TV Show |
| Games | 1967 | Dr. Edwards | Movie |
| Ironside | 1967 | Sam | TV Show |
| Judd for the Defense | 1967 | Judge | TV Show |
| The Invaders | 1967 | Secretary Knute Rosmundson | TV Show |
| CBS Playhouse | 1967 | Mr. Gray | TV Show |
| Jericho | 1966 | Sir Arthur Longworth | TV Show |
| Love on a Rooftop | 1966 | Old Man | TV Show |
| Star Trek | 1966 | Mr. Atoz / Septimus | TV Show |
| The Green Hornet | 1966 | Peter Willman | TV Show |
| Branded | 1965 | William Henry Seward | TV Show |
| O.K. Crackerby! | 1965 | Henshaw | TV Show |
| Run for Your Life | 1965 | Dr. Stanley Brickow | TV Show |
| The F.B.I. | 1965 | Marshall Graham / Elder Stone | TV Show |
| Daniel Boone | 1964 | Judge | TV Show |
| Valentine's Day | 1964 | Dr. Krasner | TV Show |
| One Man's Way | 1964 | Bishop Hardwick | Movie |
| Diary of a Madman | 1963 | Pierre | Movie |
| Kraft Suspense Theatre | 1963 | Ellis Stone | TV Show |
| Petticoat Junction | 1963 | E. T. Gibbs | TV Show |
| Temple Houston | 1963 | Judge Farnley | TV Show |
| The Fugitive | 1963 | Dr. Babcock | TV Show |
| The Great Adventure | 1963 | Brewer / Townsend | TV Show |
| The Wonderful World of the Brothers Grimm | 1962 | Gruber | Movie |
| Stoney Burke | 1962 | Judge Hewitt | TV Show |
| The Virginian | 1962 | Grover Smith | TV Show |
| All in a Night's Work | 1961 | O'Hara | Movie |
| Cain's Hundred | 1961 | Pop Parkson | TV Show |
| Dr. Kildare | 1961 | Dr. Oscar Thorpe | TV Show |
| The Asphalt Jungle | 1961 | Sid | TV Show |
| The Dick Powell Theatre | 1961 | Duckworth | TV Show |
| Pollyanna | 1960 | Mr. Neely | Movie |
| The Lost World | 1960 | Burton White | Movie |
| The Andy Griffith Show | 1960 | Rev. Leighton | TV Show |
| Moment of Fear | 1960 | | TV Show |
| One Step Beyond | 1959 | Timothy Welling | TV Show |
| Bonanza | 1959 | Amos / Gideon Flinch / John J. Harrison / ... | TV Show |
| The Twilight Zone | 1959 | Schwimmer | TV Show |
| 77 Sunset Strip | 1958 | Brother Peter | TV Show |
| Cimarron City | 1958 | Jake Walker | TV Show |
| Lawman | 1958 | Jason Smith | TV Show |
| Colgate Theatre | 1958 | | TV Show |
| Witness for the Prosecution | 1957 | Carter | Movie |
| Perry Mason | 1957 | Abel Jackson | TV Show |
| Sugarfoot | 1957 | Horgan | TV Show |
| Wagon Train | 1957 | Vickers | TV Show |
| Mayerling | 1957 | Loschek | Movie |
| Diane | 1956 | Lord Tremouille | Movie |
| Gaby | 1956 | Registrar | Movie |
| Playhouse 90 | 1956 | Edguard Wingate / Gen. Kerch | TV Show |
| State Trooper | 1956 | Eli Crater | TV Show |
| The Adventures of Jim Bowie | 1956 | Judge Newhall | TV Show |
| The Count of Monte Cristo | 1956 | Polineaux | TV Show |
| Wire Service | 1956 | Father Rambeau | TV Show |
| Moonfleet | 1955 | Tewkesbury | Movie |
| Rebel Without a Cause | 1955 | Dr. Minton | Movie |
| Sincerely Yours | 1955 | Mr. Rojeck (uncredited) | Movie |
| The Court-Martial of Billy Mitchell | 1955 | President Calvin Coolidge | Movie |
| The King's Thief | 1955 | Fell | Movie |
| Cheyenne | 1955 | Charlie Peabody | TV Show |
| Gunsmoke | 1955 | Old Man Wall | TV Show |
| Soldiers of Fortune | 1955 | Dr. Sam Vickers | TV Show |
| Front Row Center | 1955 | Collins | TV Show |
| Stage 7 | 1955 | | TV Show |
| TV Reader's Digest | 1955 | Blaney | TV Show |
| About Mrs. Leslie | 1954 | Mr. Pope | Movie |
| Her Twelve Men | 1954 | Roger Frane | Movie |
| Seven Brides for Seven Brothers | 1954 | Rev. Elcott | Movie |
| The Silver Chalice | 1954 | Theron | Movie |
| Producers' Showcase | 1954 | Loschek | TV Show |
| The Lone Wolf | 1954 | Insp. Holmen | TV Show |
| The Magical World of Disney | 1954 | Rev. Hodgins | TV Show |
| Waterfront | 1954 | Harry Willis | TV Show |
| The Steel Cage | 1954 | Curly Henderson (segment "The Face") (uncredited) | Movie |
| 99 River Street | 1953 | Waldo Daggett | Movie |
| Houdini | 1953 | Malue | Movie |
| Julius Caesar | 1953 | Caius Ligarius | Movie |
| Scandal at Scourie | 1953 | Councilman Hurdwell | Movie |
| The Actress | 1953 | Mr. Bagley | Movie |
| Young Bess | 1953 | Stranger (uncredited) | Movie |
| The Loretta Young Show | 1953 | Elder Sharpe | TV Show |
| The United States Steel Hour | 1953 | Trumper / Kropp | TV Show |
| You Are There | 1953 | Judge | TV Show |
| Your Favorite Story | 1953 | | TV Show |
| Captain Pirate | 1952 | Viceroy (uncredited) | Movie |
| Les Miserables | 1952 | Presiding Judge (uncredited) | Movie |
| On Dangerous Ground | 1952 | Sheriff Carrey | Movie |
| Something for the Birds | 1952 | Foster | Movie |
| The Captive City | 1952 | Rev. Nash | Movie |
| Cavalcade of America | 1952 | | TV Show |
| Our Miss Brooks | 1952 | Mr Smith From Phone Company | TV Show |
| Holiday for Sinners | 1952 | Monsignor Lavaud (uncredited) | Movie |
| This Is the Life | 1952 | Greenberg | TV Show |
| A Place in the Sun | 1951 | Dr. Wyeland (uncredited) | Movie |
| Here Comes the Groom | 1951 | Uncle Adam | Movie |
| The Great Caruso | 1951 | Hutchins | Movie |
| Schlitz Playhouse | 1951 | | TV Show |
| Mask of the Avenger | 1951 | Signor Donner | Movie |
| The Living Christ Series | 1951 | Annas | TV Show |
| Copper Canyon | 1950 | Mr. Henderson | Movie |
| No Way Out | 1950 | Watkins (uncredited) | Movie |
| Please Believe Me | 1950 | Edward Warrender | Movie |
| The Magnificent Yankee | 1950 | Adams | Movie |
| The Petty Girl | 1950 | President Webb (uncredited) | Movie |
| Lux Video Theatre | 1950 | The Rev. Andrews | TV Show |
| Emergency Wedding | 1950 | Dr. White (uncredited) | Movie |
| Bride of Vengeance | 1949 | Councillor (uncredited) | Movie |
| Colorado Territory | 1949 | Homer Wallace | Movie |
| My Friend Irma | 1949 | Minister (uncredited) | Movie |
| The Lone Ranger | 1949 | Dr. Hiram Tucker | TV Show |
| Homicide | 1949 | Reeder (uncredited) | Movie |
| Manhandled | 1949 | Charlie, a Fence (uncredited) | Movie |
| The Younger Brothers | 1949 | Chairman of Parole Board | Movie |
| Joe Palooka in the Counterpunch | 1949 | Prof. Lilliquist | Movie |
| Johnny Belinda | 1948 | Rector (uncredited) | Movie |
| Julia Misbehaves | 1948 | Hobson | Movie |
| Mr. Blandings Builds His Dream House | 1948 | Smith | Movie |
| Silver River | 1948 | Process Server (uncredited) | Movie |
| The Miracle of the Bells | 1948 | Grave Digger (uncredited) | Movie |
| They Live by Night | 1948 | Hawkins | Movie |
| Three Daring Daughters | 1948 | Martin - Nelson's Second Butler (uncredited) | Movie |
| Studio One in Hollywood | 1948 | Judge Marsala / Guthrie | TV Show |
| Angel in Exile | 1948 | Health Officer | Movie |
| The Judge Steps Out | 1948 | Hector Brown | Movie |
| California | 1947 | President James K. Polk (uncredited) | Movie |
| Desire Me | 1947 | Dr. Poulin (uncredited) | Movie |
| Dishonored Lady | 1947 | Dr. E.G. Lutz (uncredited) | Movie |
| If Winter Comes | 1947 | Dr. Clement Avington (uncredited) | Movie |
| Pursued | 1947 | Coroner (uncredited) | Movie |
| Wild Harvest | 1947 | Martin (uncredited) | Movie |
| Kraft Theatre | 1947 | Giuseppe | TV Show |
| That Way with Women | 1947 | L.B. Crandall | Movie |
| The Marauders | 1947 | Deacon Black | Movie |
| Bedlam | 1946 | Sidney Long | Movie |
| Dressed to Kill | 1946 | Commissioner of Scotland Yard | Movie |
| The Bandit of Sherwood Forest | 1946 | Lord Mortimer | Movie |
| The Falcon's Adventure | 1946 | J.D. Denison | Movie |
| The Verdict | 1946 | Jury Foreman (uncredited) | Movie |
| Three Strangers | 1946 | Gillkie the Barrister (uncredited) | Movie |
| Tomorrow Is Forever | 1946 | Norton | Movie |
| Without Reservations | 1946 | Charlie Gibbs (uncredited) | Movie |
| Gentleman Joe Palooka | 1946 | Editor W.W. Dwight | Movie |
| The Fighting Guardsman | 1946 | Prefect Berton (uncredited) | Movie |
| The Notorious Lone Wolf | 1946 | Adam Wheelright | Movie |
| The Searching Wind | 1946 | Sears, the Butler | Movie |
| A Song to Remember | 1945 | Pleyel's Clerk (uncredited) | Movie |
| Confidential Agent | 1945 | Dr. Bellows | Movie |
| Counter-Attack | 1945 | Ostrovski (uncredited) | Movie |
| Love Letters | 1945 | Vicar (uncredited) | Movie |
| Zombies on Broadway | 1945 | Prof. Hopkins | Movie |
| Blonde Ransom | 1945 | Oliver | Movie |
| Strange Confession | 1945 | Frederick - Brandon's Butler (uncredited) | Movie |
| The Brighton Strangler | 1945 | Lord Mayor Herman Brandon R. Clive | Movie |
| This Love of Ours | 1945 | Dr. Straus (uncredited) | Movie |
| Once Upon a Time | 1944 | Joe - Reporter (uncredited) | Movie |
| Strange Confession | 1944 | Sgt. Clerk | Movie |
| The Invisible Man's Revenge | 1944 | Feeney (uncredited) | Movie |
| The Pearl of Death | 1944 | Amos Hodder | Movie |
| The Scarlet Claw | 1944 | Drake | Movie |
| The White Cliffs of Dover | 1944 | Skipper of Honeymoon Boat (uncredited) | Movie |
| Wilson | 1944 | Reporter (uncredited) | Movie |
| Are These Our Parents? | 1944 | Pa Henderson | Movie |
| Babes on Swing Street | 1944 | Anjsel (uncredited) | Movie |
| Murder in the Blue Room | 1944 | Edwards | Movie |
| National Barn Dance | 1944 | Minister (uncredited) | Movie |
| Reckless Age | 1944 | Prof. Mellasagus (uncredited) | Movie |
| Seven Days Ashore | 1944 | Process Server (uncredited) | Movie |
| The Merry Monahans | 1944 | Clerk | Movie |
| The Mystery of the Riverboat | 1944 | Herman Einreich | Movie |
| Her Primitive Man | 1944 | Caleb | Movie |
| The Case of the Tremendous Trifle | 1944 | Curwood (uncredited) | Movie |
| Corvette K-225 | 1943 | Paymaster Commander (uncredited) | Movie |
| Flesh and Fantasy | 1943 | Librarian (uncredited) | Movie |
| Government Girl | 1943 | Thomas (uncredited) | Movie |
| Holy Matrimony | 1943 | Strawley (uncredited) | Movie |
| Sherlock Holmes in Washington | 1943 | Antique Store Clerk (uncredited) | Movie |
| The Moon Is Down | 1943 | Joseph (uncredited) | Movie |
| The Song of Bernadette | 1943 | Minister of the Interior (uncredited) | Movie |
| The Falcon and the Co-eds | 1943 | Eustace Harley (uncredited) | Movie |
| The Falcon in Danger | 1943 | Thomas - the Butler (uncredited) | Movie |
| The Man from Down Under | 1943 | Returning Soldier Seeking Father Antoine (uncredited) | Movie |
| Don't You Believe It | 1943 | Aide (uncredited) | Short Film |
| Eagle Squadron | 1942 | Sir Charles Porter | Movie |
| Mrs. Miniver | 1942 | Dentist (uncredited) | Movie |
| Now, Voyager | 1942 | Lloyd (uncredited) | Movie |
| Random Harvest | 1942 | Registrar of Births (uncredited) | Movie |
| Saboteur | 1942 | Robert | Movie |
| Born to Sing | 1942 | Critic (uncredited) | Movie |
| Nightmare | 1942 | James - Abbington's Butler | Movie |
| Secret Agent of Japan | 1942 | Captain Larsen | Movie |
| Keep 'Em Sailing | 1942 | Gruning, Stregel's Henchman (uncredited) | Short Film |
| Famous Boners | 1942 | Isaac Newton (uncredited) | Short Film |
| No Greater Power | 1942 | Zacchaeus | Short Film |
| Hudson's Bay | 1941 | Mayor | Movie |
| Love Crazy | 1941 | Sanity Hearing Doctor (uncredited) | Movie |
| Shining Victory | 1941 | Mr. Carew, a Banker (uncredited) | Movie |
| Paris Calling | 1941 | Thin Workman (uncredited) | Movie |
| Singapore Woman | 1941 | Lawyer Sidney P. Melrose (uncredited) | Movie |
| Adventure in Washington | 1941 | Emerson (uncredited) | Movie |
| The Trial of Mary Dugan | 1941 | Dr. Wriston (uncredited) | Movie |
| Abe Lincoln in Illinois | 1940 | Horace Greeley (uncredited) | Movie |
| Foreign Correspondent | 1940 | Stiles | Movie |
| The Earl of Chicago | 1940 | Reading Clerk (as Ian Wulf) | Movie |
| The Son of Monte Cristo | 1940 | Conrad Stadt (as Ian Mac Wolfe) | Movie |
| Earthbound | 1940 | Amos Totten | Movie |
| We Who Are Young | 1940 | Judge | Movie |
| Allegheny Uprising | 1939 | Poole | Movie |
| Fast and Loose | 1939 | Wilkes | Movie |
| On Borrowed Time | 1939 | Charles Wentworth | Movie |
| The Return of Doctor X | 1939 | Cemetery Caretaker (uncredited) | Movie |
| Tell No Tales | 1939 | Fritz (uncredited) | Movie |
| Blondie Brings Up Baby | 1939 | Police Judge (uncredited) | Movie |
| Society Lawyer | 1939 | Schmidt | Movie |
| The Great Commandment | 1939 | Tax collector | Movie |
| Lincoln in the White House | 1939 | Cabinet Member (uncredited) | Short Film |
| Blondie | 1938 | Judge | Movie |
| Marie Antoinette | 1938 | Herbert - the Jailer (uncredited) | Movie |
| You Can't Take It with You | 1938 | Kirby's Secretary (uncredited) | Movie |
| Arsène Lupin Returns | 1938 | Le Marchand (as Ien Wulf) | Movie |
| Orphans of the Street | 1938 | Eli Thadius Bunting | Movie |
| Captain Kidd's Treasure | 1938 | Skeptical Member of Modern-Day Expedition (uncredited) | Short Film |
| Conquest | 1937 | Prince Metternich (uncredited) | Movie |
| Maytime | 1937 | Court Official (uncredited) | Movie |
| The Emperor's Candlesticks | 1937 | Leon - a Conspirator (as Ien Wulf) | Movie |
| The Firefly | 1937 | Izquierdo (uncredited) | Movie |
| The Prince and the Pauper | 1937 | Proprietor (as Ian Wolf) | Movie |
| The League of Frightened Men | 1937 | Nicholas Cabot (as Ien Wulf) | Movie |
| The Devil Is Driving | 1937 | Elias Sanders | Movie |
| Romance of Louisiana | 1937 | Tallyrand (as Ien Wulf) | Short Film |
| Romeo and Juliet | 1936 | Apothecary (uncredited) | Movie |
| The Bold Caballero | 1936 | The Priest | Movie |
| The Devil Is a Sissy | 1936 | Pawnbroker (uncredited) | Movie |
| The White Angel | 1936 | Patient (uncredited) | Movie |
| The Leavenworth Case | 1936 | Hudson | Movie |
| The Music Goes 'Round | 1936 | Doctor (uncredited) | Movie |
| Clive of India | 1935 | Mr. Kent (uncredited) | Movie |
| Mad Love | 1935 | Henry Orlac - Stephen's Stepfather (uncredited) | Movie |
| Mutiny on the Bounty | 1935 | Maggs | Movie |
| The Raven | 1935 | Col. Bertram Grant (Credits) / Geoffrey 'Pinky' | Movie |
| 1,000 Dollars a Minute | 1935 | Davidson (uncredited) | Movie |
| The Lost Chick | 1935 | Grandpa Squirrel (uncredited) | Short Film |
| The Barretts of Wimpole Street | 1934 | Harry Bevan | Movie |
| The Fountain | 1934 | Van Arkel | Movie |
| The Mighty Barnum | 1934 | Swedish Consul | Movie |
