Michael Redgrave
David Charleston
Acting
Barbara Mullen
Ellen Kirby
Acting
James Mason
Streeter
Acting
Lilli Palmer
Melanie Kurtz
Acting
Finlay Currie
Capt. Joshua Stuart
Acting
Frederick Valk
Dr. Kurtz
Acting
Sybille Binder
Anne Marie
Acting
Frederick Cooper
Briggs
Acting
Jean Shepeard
Mrs. Briggs
Acting
Barry Morse
Robert
Acting
George Carney
Harry
Acting
Miles Malleson
Chairman of Directors
Acting
Bryan Herbert
Flanning
Acting
James Pirrie
New Pilot
Acting
A.E. Matthews
Mr. Kirby
Acting
Olive Sloane
Woman Director
Acting
Tommy Duggan
Office Clerk
Acting
Tony Quinn
Office Clerk
Acting
Harold Anstruther
British Consul
Acting
Alfred Sangster
Director
Acting
Gerard Heinz
Dr. Hartmann (uncredited)
Acting
Vi Kaley
Old Woman in Cell (uncredited)
Acting
David Keir
1st Magistrate (uncredited)
Acting
Andreas Malandrinos
Italian Police Chief (uncredited)
Acting
Arnold Marlé
President of the Medical Society (uncredited)
Acting
Bernard Rebel
Italian Passenger (uncredited)
Acting
Victor Rietti
Doctor (uncredited)
Acting
Raymond Rollett
1st Judge (uncredited)
Acting
Milo Sperber
Mr. Hirohiti (uncredited)
Acting