Vincent Price

Dr. Warren Chapin

Philip Coolidge

Oliver 'Ollie' Higgins

Judith Evelyn

Mrs. Martha Ryerson Higgins

Darryl Hickman

David Morris

Pamela Lincoln

Lucy Stevens

Patricia Cutts

Isabel Stevens Chapin

William Castle

Prologue Host (uncredited)

Bob Gunderson

Ryerson - Screaming Convict (uncredited)

Dal McKennon

Projectionist (uncredited)

Gertrude Astor

Member of Silent Movie Audience (uncredited)

Richard Barthelmess

David Kinemon (archive footage) (uncredited)

Gail Bonney

Member of Silent Movie Audience (uncredited)

Ernest Torrence

Luke Hatburn (archive footage) (uncredited)