Calificación
Reparto

Ray Milland
Mark Bellis

Ann Todd
Olivia Harwood

Geraldine Fitzgerald
Susan Courtney

Leo G. Carroll
Jarvis

Raymond Huntley
Henry Courtney

Martita Hunt
Mrs. Courtney (SR)

Moira Lister
Kitty Feathers

Raymond Lovell
Edgar

Roderick Lovell
Sir John Curle

Muriel Aked
Miss Shoebridge

Finlay Currie
Dr. Krylie

Maureen Delaney
Curtis

Ivor Barnard
Mr. Watson

Ernest Jay
Smathers

Hugh Griffith
Coroner

Zena Marshall
Lizette