Boris Karloff

Character: Edmond Bateman

Bela Lugosi

Character: Dr. Richard Vollin

Lester Matthews

Character: Dr. Jerry Holden

Irene Ware

Character: Jean Thatcher

Samuel S. Hinds

Character: Judge Thatcher

Spencer Charters

Character: Col. Bertram Grant

Inez Courtney

Character: Mary Burns

Ian Wolfe

Character: Geoffrey 'Pinky' Burns

Maidel Turner

Character: Mrs. Grant

Raine Bennett

Character: Poe (uncredited)

Al Ferguson

Character: The Crook (uncredited)

Nina Golden

Character: Dancer (uncredited)

Jonathan Hale

Character: Bedside Dr. at Jerry's Right (uncredited)

Arthur Hoyt

Character: Chapman - Buyer of Poe Memorabilia (uncredited)

Walter Miller

Character: Bedside Dr. at Judge's Right (uncredited)

Bud Osborne

Character: Policeman (uncredited)

Madeline Talcott

Character: Bedside Nurse (uncredited)

Cyril Thornton

Character: Dr. Vollin's Butler (uncredited)

Anne Darling

Character: Autograph Hound