Robert Beatty
Dr. Mark Benton
Elizabeth Sellars
Della Freeman
Peter Coke
Det. Insp. George Bellamy
Hugh Kelly
Dr. Craig
Vida Hope
Jackie Leroy
Janet Butler
Sister Rogers
Ferdy Mayne
Charles Constance
James Raglan
Supt. Grayson
Hugh Pryse
Mr. Rattray
George Benson
Prescott
Roger Delgado
Felix Galegos
Frank Atkinson
Railway Ticket Clerk (uncredited)
Donald Conlon
Helios Restaurant Patron (uncredited)
Arthur Dibbs
Helios Restaurant Patron (uncredited)
Robert Gregory
Man at Northolt Airport (uncredited)
Jean Hardwicke
Sister (uncredited)
المخرج
Martyn C. Webster
الكتّاب
A.R. Rawlinson
الموسيقى
Wilfred Burns
التصوير
Gerald Gibbs
المونتاج
Joseph Sterling
