(1931) Dracula

as Professor Abraham Van Helsing

(1931) Frankenstein

as Doctor Waldman

(1940) The Secret Seven

as Prof. Holtz

(1936) Dracula's Daughter

as Prof. Van Helsing

(1944) End of the Road

as Judge

(1940) Before I Hang

as Dr. Ralph Howard

(1916) Slander

as Joseph Tremaine

(1932) The Mummy

as Dr. Muller

(1939) The Phantom Creeps

as Jarvis

(1950) This Side of the Law

as Judge (uncredited)

(1946) The Mask of Diijon

as Sheffield

(1933) The Working Man

as Mr. Briggs

(1932) The Death Kiss

as Tom Avery

(1940) Teddy the Rough Rider

as Elihu Root, Secretary of State

(1932) Under Eighteen

as Assistant to François (uncredited)

(1937) Criminal Lawyer

as Bit (uncredited)

(1944) The Conspirators

as Dutch Underground Leader (uncredited)

(1991) Dracula: A Cinematic Scrapbook

as Van Helsing (archive footage)

(2000) The Many Faces of Dracula

as Van Helsing (archive footage)

(1933) Murder on the Campus

as Prof. C. Edson Hawley

(1935) A Shot in the Dark

as Professor Bostwick

(1935) Air Hawks

as Schutter

(1936) Road Gang

as Dudley

(1948) A Foreign Affair

as German (uncredited)

(2014) Monster Madness: The Golden Age of the Horror Film

as Van Helsing (archive footage)

(1932) Play Girl

as Moffatt, the Boss

(1938) Danger on the Air

as Leonard Sylvester

(1934) The Life of Vergie Winters

as Jim Winters

(1932) Thunder Below

as Doctor

(1934) The Scarlet Empress

as Herr Wagner (uncredited)

(1937) The Man Who Found Himself

as Medical Board Doctor

(1936) Fatal Lady

as French Surete (uncredited)

(1931) Manhattan Parade

as The Lawyer

(1935) Grand Old Girl

as Holland

(1938) That Mothers Might Live

as Hospital Chief of Staff (uncredited)

(1939) Honeymoon in Bali

as Priest on Bali (uncredited)

(1932) Boo

as Dr. Waldman (edited from "Frankenstein")

(1963) Dracula

as Professor (archive footage)

(1941) Love Crazy

as Sanity Hearing Doctor (uncredited)

(1936) Sins of Man

as Austrian Army Doctor

(1933) Trick for Trick

as John Russell

(1940) Abe Lincoln in Illinois

as Dr. Barrett (uncredited)

(1935) The Woman in Red

as Prosecuting Attorney Foxall

(1942) Valley of Hunted Men

as Dr. Heinrich Steiner

(1943) Riders of the Rio Grande

as Pop Owens

(1935) Captain Hurricane

as Man at Susan Ann's Bedside

(1935) The Arizonian

as Judge Cody

(1940) The Doctor Takes a Wife

as Burkhardt

(1932) Behind the Mask

as Dr. August Steiner / Dr. Alec Munsell / Mr. X

(1932) The Last Mile

as Rabbi

(1938) Storm Over Bengal

as Maharajah of Lhanapur

(1933) Infernal Machine

as Professor Gustabve Hoffman

(1933) It's Great to Be Alive

as Dr. Wilton

(1933) Baby Face

as Jameson - Bank Director (uncredited)

(1942) Destination Unknown

as Holland Legation

(1950) The Underworld Story

as Minister at Funeral (uncredited)

(1934) The Crosby Case

as Professor Franz Lubeck

(1934) Mills of the Gods

as Komeoski

(1935) The Last Days of Pompeii

as Calvus (uncredited)

(1943) Mission to Moscow

as German Diplomat in Berlin (uncredited)

(1935) 3 Kids and a Queen

as Dr. Gordon

(1932) Man Wanted

as Mr. Walters

(1933) The Billion Dollar Scandal

as (as Ed Van Sloan) Attorney Carp

(1934) Manhattan Melodrama

as Yacht Captain Swenson (uncredited)

(1934) I'll Fix It

as Parkes

(1942) A Man's World

as Doctor Stone

(1933) Deluge

as Professor

(1949) The Phantom Creeps

as Jarvis

(1944) Captain America

as Gregory

(1938) Penitentiary

as Dr. Rinewulf

(1935) The Black Room

as Doctor

(1999) Monster by Moonlight! The Immortal Saga of 'The Wolf Man'

as Self (archive footage)

(1998) Universal Horror

as (archive footage)