Vincent Price

Dr. Warren Chapin

Judith Evelyn

Mrs. Martha Ryerson Higgins

Darryl Hickman

David Morris

Patricia Cutts

Isabel Stevens Chapin

Philip Coolidge

Oliver 'Ollie' Higgins

Pamela Lincoln

Lucy Stevens

William Castle

Prologue Host (uncredited)

Bob Gunderson

Ryerson - Screaming Convict (uncredited)

Dal McKennon

Projectionist (uncredited)