| Fast Girl | 2008 | Willy | Movie |
| Fallout 3 | 2008 | Elder Owyn Lyons (voice) | Unknown |
| Avatar: The Last Airbender - The Burning Earth | 2007 | Additional Voices (voice, as William H. Bassett) | Unknown |
| Demon Hunter | 2005 | Cardinal White | Movie |
| Avatar: The Last Airbender | 2005 | Swampmonster / Huu | TV Show |
| Welcome to September | 2005 | Mr. Taskey | Movie |
| Nano Breaker | 2005 | Norman Baker (English version, voice) | Unknown |
| Appleseed | 2004 | Elder (English version, voice, as Frederick Bloggs) | Movie |
| Wild Roomies | 2004 | Mr. Seeley | Movie |
| Metal Gear Solid: The Twin Snakes | 2004 | Jim Houseman (voice, as William H. Basset) | Unknown |
| House of 1000 Corpses | 2003 | Sheriff Frank Huston (as William H. Bassett) | Movie |
| Arrested Development | 2003 | Cab Driver | TV Show |
| Carnivàle | 2003 | Dr. Delichter | TV Show |
| Reno 911! | 2003 | Mover | TV Show |
| Warcraft III: The Frozen Throne | 2003 | Cairne Bloodhoof (voice, as Frederick Bloggs) | Unknown |
| Mermaid Forest | 2003 | Toba Islander | TV Show |
| Crazy as Hell | 2002 | Mr. Brennan | Movie |
| Ghost in the Shell: Stand Alone Complex | 2002 | Chief Cabinet Secretary Takakura / Uno / Director | TV Show |
| Medal of Honor: Allied Assault | 2002 | | Unknown |
| Neverwinter Nights | 2002 | Saer Bodkin / Vale Reyer (voice, uncredited) | Unknown |
| Warcraft III: Reign of Chaos | 2002 | Antonidas / Cairne Bloodhoof (voice, as Frederick Bloggs) | Unknown |
| Night Class | 2001 | Holden (as William H. Basset) | Movie |
| Soulkeeper | 2001 | Old Bum | Movie |
| Scrubs | 2001 | Patient | TV Show |
| The Division | 2001 | Older Man | TV Show |
| The Man with No Eyes | 2001 | Cleetus | Short Film |
| Aa! Megamisama! The Movie | 2000 | Additional Voices (English version, voice, as Fred Bloggs) | Movie |
| Strong Medicine | 2000 | Spelling Bee Judge | TV Show |
| The Invisible Man | 2000 | Benjamin Scarborough | TV Show |
| Diablo II | 2000 | Ormus (voice, as Frederick Bloggs) | Unknown |
| Power Rangers Lost Galaxy | 1999 | Ghost Commander | TV Show |
| Metal Gear Solid: Integral | 1999 | Jim Houseman (English version, voice, as Frederick Bloggs) | Unknown |
| Cowboy Bebop | 1998 | Frog | TV Show |
| The Magnificent Seven | 1998 | Bartender | TV Show |
| Metal Gear Solid | 1998 | Jim Houseman (English version, voice, as Frederick Bloggs) | Unknown |
| A Match Made in Heaven | 1997 | Sam Landry | TV Movie |
| Beyond Belief: Fact or Fiction | 1997 | Alexander (segment "The Burial") | TV Show |
| Dharma & Greg | 1997 | Dewey | TV Show |
| Her Costly Affair | 1996 | Ed Baines | TV Movie |
| 3rd Rock from the Sun | 1996 | Bernard | TV Show |
| Sabrina the Teenage Witch | 1996 | Uncle Roy | TV Show |
| OP Center | 1995 | Academic #4 | TV Show |
| Catnapped! The Movie | 1995 | Magician (English version, voice, as Fred Bloggs) | Movie |
| Spring Awakening | 1994 | Ulf Anderson | TV Movie |
| Ring of Fire II: Blood and Steel | 1993 | Aaron | Movie |
| Never Forget | 1991 | Lewis Brandon | TV Movie |
| Kidô senshi Gundam 0083: Stardust Memory | 1991 | Yuri Hussler | TV Show |
| Angel Town | 1990 | Graduate Dean | Movie |
| The Case of the Hillside Stranglers | 1989 | Dr. Watts (as William H. Bassett) | TV Movie |
| Mancuso, FBI | 1989 | | TV Show |
| The New Lassie | 1989 | Arthur Reynolds | TV Show |
| The Hollywood Detective | 1989 | Jerry Brazil (as William H. Bassett) | TV Movie |
| Akira | 1988 | Principal (2001) (English version, voice, as Frederick Bloggs) | Movie |
| Black Eagle | 1988 | Dean Rickert | Movie |
| Invaders from Mars | 1986 | NASA Scientist | Movie |
| The Naked Cage | 1986 | Jordan | Movie |
| Creator | 1985 | Dr. Sutter (as William H. Bassett) | Movie |
| Sam's Son | 1984 | Mr. Turner (as William H. Bassett) | Movie |
| Cover Up | 1984 | Dr. Stevens | TV Show |
| Hunter | 1984 | Park Bench Bum | TV Show |
| Jessie | 1984 | Mr. Shepard | TV Show |
| Rituals | 1984 | Philip Mason #1 (1984) | TV Show |
| The Karate Kid | 1984 | Mr. Mills | Movie |
| Hotel | 1983 | Reese | TV Show |
| Moonlight | 1982 | Tappan Zee Man (as William H. Basset) | TV Movie |
| Newhart | 1982 | First male guest to leave | TV Show |
| T.J. Hooker | 1982 | Mr. Miller | TV Show |
| Dynasty | 1981 | R.D. Fleming | TV Show |
| The Fall Guy | 1981 | Clark | TV Show |
| Thornwell | 1981 | CIC Agent (as William H. Bassett) | TV Movie |
| Flamingo Road | 1980 | | TV Show |
| The Kids Who Knew Too Much | 1980 | Policeman (as William H. Bassett) | TV Movie |
| Rupan sansei: Kariosutoro no shiro | 1979 | Counterfeiter (Manga Video dub) / Whispering Councilman (Manga Video dub) (English version, voice, as Fred Bloggs) | Movie |
| Old Boyfriends | 1979 | David Brinks | Movie |
| Hart to Hart | 1979 | Jeff Brogen | TV Show |
| Knots Landing | 1979 | Emissary | TV Show |
| Return from Witch Mountain | 1978 | Operations Officer (as William H. Bassett) | Movie |
| The Bastard | 1978 | British Officer | TV Show |
| Dallas | 1978 | Attorney Gurney / Dr. Paul Hollister / Gurney / ... | TV Show |
| Keefer | 1978 | The Sergeant | TV Movie |
| Perfect Gentlemen | 1978 | Southern Man | TV Movie |
| Lou Grant | 1977 | Alexander Crosley | TV Show |
| The Love Boat | 1977 | Josh | TV Show |
| Never Con a Killer | 1977 | Huff Hufaker (uncredited) | TV Movie |
| The Night They Took Miss Beautiful | 1977 | Smitty | TV Movie |
| Francis Gary Powers: The True Story of the U-2 Spy Incident | 1976 | | TV Movie |
| Once an Eagle | 1976 | Captain Winkler | TV Show |
| The Love Boat | 1976 | The First Officer | TV Movie |
| Quincy M.E. | 1976 | Harris | TV Show |
| The Krofft Supershow | 1976 | Stone (segment: Wonderbug) | TV Show |
| The Feather and Father Gang | 1976 | Huffaker | TV Show |
| Wonderbug | 1976 | Stone | TV Show |
| Lucky Lady | 1975 | Charley | Movie |
| My Father's House | 1975 | Airplane Captain | TV Movie |
| The Towering Inferno | 1974 | Leasing Agent (as William H. Bassett) | Movie |
| Shazam! | 1974 | Bill Ritzi | TV Show |
| Unwed Father | 1974 | Principal | TV Movie |
| Harry O | 1973 | Red Kramer | TV Show |
| Police Story | 1973 | Psychologist | TV Show |
| The Young and the Restless | 1973 | Pete Walker (1982-1983) | TV Show |
| The Wide World of Mystery | 1973 | The Collector | TV Show |
| The Lie | 1973 | Army Major (as William H. Bassett) | TV Movie |
| The Man of Destiny | 1973 | The Sub-Lieutenant | TV Movie |
| 1776 | 1972 | Thomas Heyward, Jr. (SC) (uncredited) | Movie |
| Conquest of the Planet of the Apes | 1972 | Mr. Pine - Governor Breck's assistant (uncredited) | Movie |
| ABC Afterschool Specials | 1972 | Father | TV Show |
| Search | 1972 | Donald | TV Show |
| The Rookies | 1972 | Walden | TV Show |
| The Streets of San Francisco | 1972 | Donald Bateman | TV Show |
| Another Part of the Forest | 1972 | Bagtry | TV Movie |
| Cade's County | 1971 | Howard Tanner | TV Show |
| The Grasshopper | 1970 | Aaron (as William H. Bassett) | Movie |
| Nancy | 1970 | Secret Service Agent Turner / Agent Turner | TV Show |
| A Time for Dying | 1969 | The Southerner | Movie |
| Here Come the Brides | 1968 | Willard | TV Show |
| Land of the Giants | 1968 | Ranger Jack | TV Show |
| Mod Squad | 1968 | Gordon Calder | TV Show |
| The Outcasts | 1968 | Travers | TV Show |
| Mannix | 1967 | Warren Hoxie | TV Show |
| The Second Hundred Years | 1967 | Sergei | TV Show |
| The Journey of the Fifth Horse | 1966 | Rubin / Narvinsky (as William H. Bassett) | TV Movie |
| Days of Our Lives | 1965 | Dr. Walter Griffin / Government Official / Jerry Barnes / ... | TV Show |
| I Dream of Jeannie | 1965 | Sam Farrow / Clem | TV Show |
| The Wild Wild West | 1965 | Lt. Carter | TV Show |
| Bewitched | 1964 | Prince Charming / Cousin Charlie | TV Show |
| General Hospital | 1963 | Wolfgang Von Schuler / Norton Carter | TV Show |
| The Tempest | 1960 | Ferdinand (as William H. Bassett) | TV Movie |
| Insight | 1960 | Roman | TV Show |
| The Chevy Mystery Show | 1960 | Dr. Roger Waring | TV Show |
| Bonanza | 1959 | Jed Walker | TV Show |
| The Magical World of Disney | 1954 | Doctor / Lowell Roberts / Policeman | TV Show |
