James Mason
— Mick Cardby
Mary Clare
— Matron
Margaret Vyner
— Mollie Bennett
Gordon McLeod
— Insepctor Cardby
Frederick Valk
— Dr. Moger
Barbara Everest
— Mrs. Cardby
Barbara James
— Lena Morne
G.H. Mulcaster
— Lord Morne
Eric Clavering
— Al
Terry Conlin
— Detective Sergeant Trotter
W.G. Fay
— Mr. Eslick
Brefni O'Rorke
— Dr. Crosbie
Michael Rennie
— Inspector