| 77 Sunset Strip | 1958 | Baron Von Hefner | TV Show |
| Shirley Temple's Storybook | 1958 | Horseman | TV Show |
| Westinghouse Desilu Playhouse | 1958 | | TV Show |
| I Mobster | 1958 | Papa Sante (uncredited) | Movie |
| The Beast of Budapest | 1958 | Gen. Foeldessy | Movie |
| Counterspy | 1958 | Dr. Jasny | TV Movie |
| The Court of Last Resort | 1957 | Joseph Stevens | TV Show |
| Never Say Goodbye | 1956 | Herr Gosting | Movie |
| The Eddy Duchin Story | 1956 | Mr. Duchin | Movie |
| Telephone Time | 1956 | | TV Show |
| Conflict | 1956 | | TV Show |
| Alfred Hitchcock Presents | 1955 | Doctor | TV Show |
| The Millionaire | 1955 | Dr. Lacloux / Schwartz | TV Show |
| The Crooked Web | 1955 | Herr Koenig | Movie |
| The Star and the Story | 1955 | Comte De Monpellier | TV Show |
| Celebrity Playhouse | 1955 | Pop Kolojeck | TV Show |
| Magnificent Obsession | 1954 | Dr. Hofer | Movie |
| Rhapsody | 1954 | Doctor (uncredited) | Movie |
| Captain Midnight | 1954 | Zabor | TV Show |
| Climax! | 1954 | | TV Show |
| The Lone Wolf | 1954 | Philip Duval | TV Show |
| Passport to Danger | 1954 | Saratoff | TV Show |
| Adventures of the Falcon | 1954 | Von Seckendorf | TV Show |
| Crusade to Liberty | 1954 | | TV Movie |
| Captain Scarface | 1953 | Kroll | Movie |
| Robot Monster | 1953 | The Professor | Movie |
| You Are There | 1953 | Marshal Smigly-Rudz / Prince Metternich | TV Show |
| My Little Margie | 1952 | | TV Show |
| Ramar of the Jungle | 1952 | Armand Gunther | TV Show |
| Sea Tiger | 1952 | J.M. Hennick | Movie |
| Biff Baker, U.S.A. | 1952 | Paul Gautier | TV Show |
| His Kind of Woman | 1951 | Martin Krafft | Movie |
| I Love Lucy | 1951 | Casino Manager / Cop | TV Show |
| Schlitz Playhouse | 1951 | | TV Show |
| Sky King | 1951 | Dr. Frederic Malin | TV Show |
| Das Haus in Montevideo | 1951 | Anwalt (as John Mylong-Muenz) | Movie |
| Annie Get Your Gun | 1950 | Kaiser Wilhelm II (uncredited) | Movie |
| Vendetta | 1950 | The French Prefect (uncredited) | Movie |
| Lux Video Theatre | 1950 | Brack | TV Show |
| Young Daniel Boone | 1950 | Col. von Arnheim | Movie |
| Battleground | 1949 | German Major (uncredited) | Movie |
| Oh, You Beautiful Doll | 1949 | Toastmaster (uncredited) | Movie |
| The Girl from Jones Beach | 1949 | Stravitch (uncredited) | Movie |
| Fireside Theatre | 1949 | The Doctor | TV Show |
| The Perils of Pauline | 1947 | French Doctor (uncredited) | Movie |
| Unconquered | 1947 | Col. Henry Bouquet | Movie |
| Cloak and Dagger | 1946 | German Captain (uncredited) | Movie |
| I've Always Loved You | 1946 | Impresario (uncredited) | Movie |
| Lost City of the Jungle | 1946 | Malborn | Movie |
| Monsieur Beaucaire | 1946 | Minister of State (uncredited) | Movie |
| The Searching Wind | 1946 | Hotel Manager (uncredited) | Movie |
| Roughly Speaking | 1945 | Polish Waiter (uncredited) | Movie |
| The Clock | 1945 | Aristocratic Restaurant Customer (uncredited) | Movie |
| The Falcon in San Francisco | 1945 | Carl Dudley | Movie |
| I'll Tell the World | 1945 | Dr. Johnston (uncredited) | Movie |
| Experiment Perilous | 1944 | Nick Bedereaux Sr. (uncredited) | Movie |
| Song of the Open Road | 1944 | Jack & John Moran's Uncle (uncredited) | Movie |
| The Conspirators | 1944 | Prison Commandante (uncredited) | Movie |
| The Hitler Gang | 1944 | Doctor General (uncredited) | Movie |
| The Mask of Dimitrios | 1944 | Druhar (uncredited) | Movie |
| The Master Race | 1944 | Grunning (uncredited) | Movie |
| The Story of Dr. Wassell | 1944 | Joyful 'Janssen' Passenger (uncredited) | Movie |
| Corvette K-225 | 1943 | Submarine Commander (uncredited) | Movie |
| Crash Dive | 1943 | Captain of Submarine (uncredited) | Movie |
| For Whom the Bell Tolls | 1943 | Colonel Duval (as Jack Mylong) | Movie |
| The Fighting Guerrillas | 1943 | Commander (uncredited) | Movie |
| The Moon Is Down | 1943 | Staff Officer (uncredited) | Movie |
| The Strange Death of Adolf Hitler | 1943 | Gen. Halder | Movie |
| Hostages | 1943 | Proskosch | Movie |
| They Came to Blow Up America | 1943 | German Officer (uncredited) | Movie |
| Crossroads | 1942 | Baron De Lorrain (uncredited) | Movie |
| The Devil Pays Off | 1941 | Von Eltzen (uncredited) | Movie |
| Overture to Glory | 1940 | Stanislaw Maniusko | Movie |
| Affairs of Maupassant | 1935 | | Movie |
| Bretter, die die Welt bedeuten | 1935 | | Movie |
| Der Choral von Leuthen | 1933 | Gen. Seydlitz (as Jack Mylong-Münz) | Movie |
| Unsichtbare Gegner | 1933 | | Movie |
| Abenteuer am Lido | 1933 | | Movie |
| Um ein bisschen Glück | 1933 | Fred - Cousin des Professors (as Jack Mylong-Münz) | Movie |
| Sestra Angelika | 1933 | | Movie |
| Salon Dora Green | 1933 | Pilarsky (as J. Mylong-Münz) | Movie |
| Die unsichtbare Front | 1933 | Rolf Lange (as John Mylong Münz) | Movie |
| Mein Liebster ist ein Jägersmann | 1933 | Royal consellor (as Jack Mylong-Münz) | Movie |
| Kampf um Blond | 1933 | Lipkowicz (as Jack Mylong-Münz) | Movie |
| Kreuzer Emden | 1932 | Offizier der "Emden" (as Jack Mylong-Münz) | Movie |
| Holzapfel weiß alles | 1932 | Fritz (as Jack Mylong-Münz) | Movie |
| Die elf Schill'schen Offiziere | 1932 | | Movie |
| Mary | 1931 | John Stuart (as Jack Mylong-Münz) | Movie |
| Der Zinker | 1931 | Harry 'Juwelen Harry' Webber (as Jack Mylong-Münz) | Movie |
| Der Herzog von Reichstadt | 1931 | Tiburce de Lorget (as Jack Mylong-Münz) | Movie |
| Die andere Seite | 1931 | Hauptmann Hardy (as J. Mylong-Münz) | Movie |
| Luise, Königin von Preußen | 1931 | | Movie |
| Die Pranke | 1931 | Rennfahrer Lopez (as Jack Mylong-Münz) | Movie |
| Cadets | 1931 | Hauptmann Müller (as Jack Mylong-Münz) | Movie |
| Zweierlei Moral | 1931 | Marx, Aushilfsdiener (as Jack Mylong-Münz) | Movie |
| Reserve hat Ruh | 1931 | Arthur Dreyer, Student | Movie |
| Wenn die Soldaten... | 1931 | Ein Rittmeister (as Jack Mylong-Münz) | Movie |
| Fra Diavolo | 1931 | | Movie |
| Tonka Sibenice | 1930 | Jean (as Jack Mylong) | Movie |
| Der Greifer | 1930 | Zahnstocher-Jeff (German Version) (as Jack Mylong-Münz) | Movie |
| Bockbierfest | 1930 | Raumert - Brauereibesitzer (as Jack Mylong-Münz) | Movie |
| Utrpenà sedé sestry | 1930 | Adolf (as Jack Mylong-Münz) | Movie |
| Pancérové auto | 1930 | Bob Witt (as Jack Mylong-Münz) | Movie |
| Das Erlebnis einer Nacht | 1930 | | Movie |
| Der falsche Feldmarschall | 1930 | Graf Geza von Medak (as Jack Mylong Münz) | Movie |
| Die Galgentonitonischka | 1930 | | Movie |
| Napoleon auf St. Helena | 1929 | | Movie |
| Der Günstling von Schönbrunn | 1929 | Ordonnanz des Kaisers (as Jack Mylong-Münz) | Movie |
| Drei Tage auf Leben und Tod - aus dem Logbuch der U.C.1 | 1929 | Der Koch (as Jack Mylong-Münz) | Movie |
| Der lustige Witwer | 1929 | Ein Paradegast (as Jack Mylong-Münz) | Movie |
| Adventures Inc. | 1929 | Boris (as Jack Mylong-Münz) | Movie |
| Das verschwundene Testamant | 1929 | von Malten (as Jack Mylong-Münz) | Movie |
| The White Roses of Ravensberg | 1929 | Andreas, der Gärtner | Movie |
| Kinder der Straße | 1929 | | Movie |
| Jennys Bummel durch die Männer | 1929 | Mr. Dinessen (as Jack Mylong-Mümz) | Movie |
| Zwei Brüder | 1929 | Michael, der Bruder (as Jack Mylong-Münz) | Movie |
| Strauss, the Waltz King | 1928 | Mödlinger (as Jack Mylong-Münz) | Movie |
| Raider Emden, The | 1928 | | Movie |
| Moderne Piraten | 1928 | Henry Lincoln, Filmschauspieler (as Jack Mylong-Münz) | Movie |
| Die Dame in Schwarz | 1928 | Werner Bennigsen (as Jack Mylong-Münz) | Movie |
| Adam und Eva | 1928 | Chauffeur (as Jack Mylong-Münz) | Movie |
| Der alte Fritz - 1. Friede | 1928 | Minister Hagen (as John Mylong-Münz) | Movie |
| So küsst nur eine Wienerin | 1928 | Der 'schwarze Maxl' (as Jack Myong-Münz) | Movie |
| Wer das Scheiden hat erfunden | 1928 | | Movie |
| Notschrei hinter Gittern | 1928 | | Movie |
| Artisten | 1928 | Sein Assistent Kelly (as Jack Mylong-Münz) | Movie |
| Der Hafenbaron | 1928 | Der 'Hafenbaron' (as Jack Mylong-Münz) | Movie |
| Mikosch rückt ein | 1928 | Wachtmeister Rott (as Jack Mylong Münz) | Movie |
| Grand Hotel...! | 1927 | | Movie |
| Wenn Menschen reif zur Liebe werden | 1927 | Erster Arbeiter (as Jack Mylong-Münz) | Movie |
| Die elf Teufel | 1927 | Biller, gegnerischer Mittelstürmer (as Jack Mylong-Münz) | Movie |
| Leichte Kavallerie | 1927 | Graf Komaroff (as Jack Mylong-Münz) | Movie |
| Die Villa im Tiergarten | 1927 | Rolf Sander (as Jack Mylong-Munz) | Movie |
| Betrayal | 1927 | Felix, sein Sohn (as Jack Mylong-Münz) | Movie |
| Der falsche Prinz | 1927 | Fritz Stein - sein Freund (as Jack Mylong-Münz) | Movie |
| Die Vorbestraften | 1927 | | Movie |
| Ein Tag der Rosen im August... | 1927 | Werner Anrae, ein Maler | Movie |
| Die Hafenbraut | 1927 | | Movie |
| Wien, wie es weint und lacht | 1926 | Martin - sein Sohn (as Jack Mylong-Münz) | Movie |
| Eleven Who Were Loyal | 1926 | Freischärler (as Jack Mylong-Münz) | Movie |
| Gern hab' ich die Frauen geküßt | 1926 | Harald Brandt, Gutseleve (as Jack Mylong-Münz) | Movie |
| Venetian Lovers | 1925 | Chevalier Tomasso (as Jack Mylong-Münz) | Movie |
| Das Parfüm der Mrs. Worrington | 1925 | Dr. Harry Edwards | Movie |
| Die Perlen des Dr. Talmadge | 1925 | | Movie |
| Der Frauenmarder | 1925 | | Movie |
| Die abenteuerliche Hochzeit | 1925 | Fergus | Movie |
| In den Sternen steht es geschrieben | 1925 | Horst Raabe | Movie |
| Aus der Jugendzeit klingt ein Lied | 1925 | Jürg Asmussen (as Jack Mylong-Münz) | Movie |
| Dein Begehren ist Sünde ... | 1925 | Felix Dubois | Movie |
| Die malayische Dschonke | 1924 | | Movie |
| Die vier letzten Sekunden des Quidam Uhl | 1924 | Heinrich, Magdalensa Bruder | Movie |
| Der Schrecken des Meeres | 1924 | | Movie |
| Die Tragödie der Entehrten | 1924 | | Movie |
| Die Tragödie einer Liebesnacht | 1924 | | Movie |
| Das Wirtshaus im Spessart | 1923 | | Movie |
| Die Bestie | 1922 | | Movie |
| Die Schlucht des Grauens | 1921 | | Movie |
| Die Nacht der tausend Seelen | 1921 | | Movie |
| Die Satansfratze | 1921 | | Movie |
| Der heilige Hass, 2. Teil - Die Flucht vor dem Tode | 1921 | Rabob (as Jack Mylong-Münz) | Movie |
| Der heilige Hass, 1. Teil | 1921 | Rabob (as Jack Mylong-Münz) | Movie |
