Captain Thompson
Trevor Howard
Major Stringer
José Ferrer
Marine Todd
Robert Desmond
Gestapo Comdt.
Walter Fitzgerald
Assistant Gestapo Officer
Karl Stepanek
Myrtie
Dora Bryan
Mrs Ruddock
Beatrice Campbell
Policeman
Sydney Tafler
Submarine Commander Alan Grieves
Christopher Lee
Marine Bellamy (uncredited)
Pat McGrath
Soldier (uncredited)
Jack Carter
Marine Clarke
Anthony Newley
Sgt. Craig
Victor Maddern
Marine Lomas
Percy Herbert
Marine Ruddock
David Lodge
Marine Stevens
Peter Arne
Marine Booth
Graham Stewart
Marine Cooney
John Fabian
Marine Bradley
John Van Eyssen
Writer
Richard Maibaum
Director
Executive Producer
Albert R. Broccoli
Bryan Forbes
Director of Photography
Ted Moore
Editor
Alan Osbiston
John Wilcox