Credits

• 2014 · Monster Madness: The Golden Age of the Horror Film as Van Helsing (archive footage)
• 2000 · The Many Faces of Dracula as Van Helsing (archive footage)
• 1999 · Monster by Moonlight! The Immortal Saga of 'The Wolf Man' as Self (archive footage)
• 1998 · Universal Horror as (archive footage)
• 1991 · Dracula: A Cinematic Scrapbook as Van Helsing (archive footage)
• 1963 · Dracula as Professor (archive footage)
• 1950 · The Underworld Story as Minister at Funeral (uncredited)
• 1950 · This Side of the Law as Judge (uncredited)
• 1949 · The Phantom Creeps as Jarvis
• 1948 · A Foreign Affair as German (uncredited)
• 1946 · The Mask of Diijon as Sheffield
• 1944 · End of the Road as Judge
• 1944 · The Conspirators as Dutch Underground Leader (uncredited)
• 1944 · Captain America as Gregory
• 1943 · Riders of the Rio Grande as Pop Owens
• 1943 · Mission to Moscow as German Diplomat in Berlin (uncredited)
• 1942 · Valley of Hunted Men as Dr. Heinrich Steiner
• 1942 · Destination Unknown as Holland Legation
• 1942 · A Man's World as Doctor Stone
• 1941 · Love Crazy as Sanity Hearing Doctor (uncredited)
• 1940 · Before I Hang as Dr. Ralph Howard
• 1940 · The Secret Seven as Prof. Holtz
• 1940 · The Doctor Takes a Wife as Burkhardt
• 1940 · Abe Lincoln in Illinois as Dr. Barrett (uncredited)
• 1940 · Teddy the Rough Rider as Elihu Root, Secretary of State
• 1939 · Honeymoon in Bali as Priest on Bali (uncredited)
• 1939 · The Phantom Creeps as Jarvis
• 1938 · Storm Over Bengal as Maharajah of Lhanapur
• 1938 · Danger on the Air as Leonard Sylvester
• 1938 · That Mothers Might Live as Hospital Chief of Staff (uncredited)
• 1938 · Penitentiary as Dr. Rinewulf
• 1937 · The Man Who Found Himself as Medical Board Doctor
• 1937 · Criminal Lawyer as Bit (uncredited)
• 1936 · Sins of Man as Austrian Army Doctor
• 1936 · Fatal Lady as French Surete (uncredited)
• 1936 · Dracula's Daughter as Prof. Van Helsing
• 1936 · Road Gang as Dudley
• 1935 · 3 Kids and a Queen as Dr. Gordon
• 1935 · The Last Days of Pompeii as Calvus (uncredited)
• 1935 · The Black Room as Doctor
• 1935 · The Arizonian as Judge Cody
• 1935 · Air Hawks as Schutter
• 1935 · Captain Hurricane as Man at Susan Ann's Bedside
• 1935 · The Woman in Red as Prosecuting Attorney Foxall
• 1935 · A Shot in the Dark as Professor Bostwick
• 1935 · Grand Old Girl as Holland
• 1934 · Mills of the Gods as Komeoski
• 1934 · I'll Fix It as Parkes
• 1934 · The Life of Vergie Winters as Jim Winters
• 1934 · The Scarlet Empress as Herr Wagner (uncredited)
• 1934 · Manhattan Melodrama as Yacht Captain Swenson (uncredited)
• 1934 · The Crosby Case as Professor Franz Lubeck
• 1933 · Murder on the Campus as Prof. C. Edson Hawley
• 1933 · Deluge as Professor
• 1933 · Baby Face as Jameson - Bank Director (uncredited)
• 1933 · It's Great to Be Alive as Dr. Wilton
• 1933 · Trick for Trick as John Russell
• 1933 · The Working Man as Mr. Briggs
• 1933 · Infernal Machine as Professor Gustabve Hoffman
• 1933 · The Billion Dollar Scandal as (as Ed Van Sloan) Attorney Carp
• 1932 · The Mummy as Dr. Muller
• 1932 · The Death Kiss as Tom Avery
• 1932 · Boo as Dr. Waldman (edited from "Frankenstein")
• 1932 · The Last Mile as Rabbi
• 1932 · Thunder Below as Doctor
• 1932 · Man Wanted as Mr. Walters
• 1932 · Play Girl as Moffatt, the Boss
• 1932 · Behind the Mask as Dr. August Steiner / Dr. Alec Munsell / Mr. X
• 1932 · Under Eighteen as Assistant to François (uncredited)
• 1931 · Manhattan Parade as The Lawyer
• 1931 · Frankenstein as Dr. Waldman
• 1931 · Dracula as Professor Abraham Van Helsing
• 1916 · Slander as Joseph Tremaine