Calificación
Reparto

Stanley Ridges
Prof. George Kingsley / Red Cannon

Boris Karloff
Dr. Ernest Sovac

Bela Lugosi
Eric Marnay

Anne Nagel
Sunny Rogers

Anne Gwynne
Jean Sovac

Virginia Brissac
Mrs. Margaret Kingsley

Edmund MacDonald
Frank Miller

Paul Fix
William Kane

Murray Alper
Bellhop

Jack Mulhall
Bartender

Raymond Bailey
Louis Devore

Joe King
Chief of Police

John Kelly
Taxi Driver

Jessie Arnold
Nurse

Elfriede Borodin
2nd Nurse

Tommy Conlon
Student