Filmography
| Year | Title | Role |
| 2007 | Terror in the Pharaoh's Tomb | Doctor Xavier |
| 1945 | House of Frankenstein | Insp. Arnz |
| 1945 | Dracula / House of Dracula | Police Inspector Holtz |
| 1945 | Fog Island | Alec Ritchfield |
| 1944 | Lady in the Death House | Charles Finch |
| 1943 | Frankenstein Meets the Wolfman | Mayor of Vasaria |
| 1942 | The Ghost of Frankenstein | Doctor Bohmer |
| 1942 | To Be or Not to Be (1942) | Rawitch |
| 1942 | Secret Weapon | Prof. Moriarty |
| 1942 | Cairo | Teutonic Gentleman |
| 1942 | Pardon My Sarong | Dr. Varnoff |
| 1940 | Boom Town | Harry Compton |
| 1940 | Girl in 313 | Russell/Henry Woodruff |
| 1939 | Son of Frankenstein | Krogh |
| 1939 | Balalaika | Prof. Marakov |
| 1938 | The Great Waltz | Count Anton "Tony" Hohenfried |
| 1938 | Three Comrades | Breuer |
| 1937 | The Roaring Road | Mike Roberts |
| 1937 | The High Command | Maj. Gen. Sir John Sangye, VC |
| 1937 | The Great Garrick | Beaumarchais |
| 1935 | The Devil Is a Woman | Capt. Don Pasqual `'Pasqualito'` Costelar |
| 1935 | Captain Blood | Col. Bishop |
| 1935 | Mark of the Vampire | Inspector Neumann |
| 1934 | Nana (1934) | Colonel André Muffat |
| 1934 | One More River | Brough |
| 1933 | Song of Songs | Baron von Merzbach |
| 1933 | The Vampire Bat | Dr. Otto von Niemann |
| 1933 | Murders in the Zoo | Eric Gorman |
| 1933 | Mystery of the Wax Museum | Ivan Igor |
| 1933 | Secret of the Blue Room | Robert von Helldorf |
| 1932 | Doctor X | Dr. Jerry Xavier |
