Cast
Finlay Currie
Capt. Joshua Stuart
Barry Morse
Robert
Victor Rietti
Doctor (uncredited)
Arnold Marlé
President of the Medical Society (uncredited)
James Mason
Streeter
Frederick Valk
Dr. Kurtz
A.E. Matthews
Mr. Kirby
George Carney
Harry
Bryan Herbert
Flanning
Michael Redgrave
David Charleston
Lilli Palmer
Melanie Kurtz
Sybille Binder
Anne Marie
Barbara Mullen
Ellen Kirby
Tommy Duggan
Office Clerk
Gerard Heinz
Dr. Hartmann (uncredited)
Tony Quinn
Office Clerk
Vi Kaley
Old Woman in Cell (uncredited)
Andreas Malandrinos
Italian Police Chief (uncredited)
Milo Sperber
Mr. Hirohiti (uncredited)