Secret of the Blue Room
1933 · Crime
as Robert von Helldorf
The Vampire Bat
1933 · Drama
as Dr. Otto von Niemann
Mystery of the Wax Museum
1933 · Horror
as Ivan Igor
Murders in the Zoo
as Eric Gorman
The Strange Case of Doctor Rx
1942 · Horror
as Dr. Fish
Doctor X
1932 · Comedy
as Dr. Jerry Xavier
The Devil Is a Woman
1935 · Comedy
as Capt. Don Pasqual 'Pasqualito' Costelar
The Song of Songs
as Baron von Merzbach
Sherlock Holmes and the Secret Weapon
1943 · Adventure
as Moriarty (as Moriarity)
Mark of the Vampire
1935 · Horror
as Inspector Neumann
Frankenstein Meets the Wolf Man
1943 · Fantasy
as Mayor
Genius at Work
1946 · Comedy
as Latimer Marsh
The Hound of the Baskervilles
1939 · Crime
as James Mortimer M.D.
Pardon My Sarong
1942 · Comedy
as Varnoff
To Be or Not to Be
as Rawitch
Cairo
as Teutonic Gentleman
Johnny Apollo
1940 · Crime
as Jim McLaughlin
Three Comrades
1938 · Drama
as Breuer
Boom Town
1940 · Adventure
as Harry Compton
House of Dracula
1945 · Fantasy
as Police Inspector Holtz
The House of Frankenstein
1944 · Fantasy
as Inspector Arnz
Lancer Spy
1937 · Adventure
as Col. Fenwick
