Calificación
Reparto

Donald Gray
James Martin

Ann Wemyss
Joan Bauer

Mary Newcomb
Helen Rollins

Ronald Ward
Michael Waring

Henri De Vries
Professor Bauer

Alastair Sim
'Pop' Lawler

James Carew
Dr. Rollins

Henry Caine
Sergeant Cox

Eric Hales
Carter

Joana Pereira
Miss Bauer

Arnold Bell
Leech

Lillian Talbot
Mrs. Barker