Calificación
Reparto

Pamela Franklin
Florence Tanner

Roddy McDowall
Benjamin Franklin Fischer

Clive Revill
Dr. Lionel Barrett

Gayle Hunnicutt
Ann Barrett

Roland Culver
Mr. Rudolph Deutsch

Peter Bowles
Hanley

Michael Gough
Emeric Belasco (uncredited)

Miles Jonn-Dalton
Royal Duke (uncredited)