Edmond Bateman

Boris Karloff

Dr. Richard Vollin

Bela Lugosi

Dr. Jerry Halden / Dr. Jerry Holden

Lester Matthews

Jean Thatcher

Irene Ware

Judge Thatcher

Samuel S. Hinds

Mary Burns

Inez Courtney

Geoffrey/Col. Bertram Grant

Spencer Charters

Col. Bertram Grant/Geoffrey `'Pinky'`

Ian Wolfe

Harriet Grant

Maidel Turner

Chapman - Buyer of Poe Memorabilia (uncredited)

Arthur Hoyt

Poe (uncredited)

Raine Bennett

Bedside Dr. at Judge's Right (uncredited)

Walter Miller

The Crook (uncredited)

Al Ferguson

Dancer (uncredited)

Nina Golden

Bedside Dr. at Jerry's Right (uncredited)

Jonathan Hale

Policeman (uncredited)

Bud Osborne

Bedside Nurse (uncredited)

Madeline Talcott

Dr. Vollin's Butler (uncredited)

Cyril Thornton

Autograph Hound

Anne Darling