Calificación
Reparto

Margaret Lockwood
Helene Ardouin

Hugh Sinclair
Inspector Calas

James Mason
Andre Laurent

Raymond Lovell
Prof. Winkler

Rodney Ackland
Winker's Assistant

Enid Stamp-Taylor
Dany

Hartley Power
Gordon

Jane Carr
Delia

Edana Romney
Winkler's Assistant