Gregory Peck
Col. Lewis Pugh
Cast (34)
Roger Moore
Capt. Gavin Stewart
David Niven
Col. W.H. Grice
Trevor Howard
Jack Cartwright
Barbara Kellerman
Mrs. Cromwell
Patrick Macnee
Major 'Yogi' Crossley
Kenneth Griffith
Charlie Wilton
Patrick Allen
Colin Mackenzie
Wolf Kahler
Trompeta
Robert Hoffmann
U-Boat Captain
Dan van Husen
U-Boat First Officer
George Mikell
Captain of Ehrenfels
Jürgen Andersen
First Officer of Ehrenfels
Bernard Archard
Underhill
Martin Benson
Mr. Montero
Percy Herbert
Dennison
Donald Houston
Hilliard
Glyn Houston
Peters
Terence Longdon
Malvern
Allan Cuthbertson
Dickie Melborne
Faith Brook
Mrs Doris Grice
John Standing
Finley
Graham Stark
Don Manners
Jack Watson
Maclean
Moray Watson
Breen
Michael Medwin
Langley
William Morgan Sheppard
'Patch' Lovecroft
Patrick Holt
Barker
Clifford Earl
Sloane
Keith Stevenson
Manuel
Brook Williams
Butterworth
Victor Langley
Williamson
Marc Zuber
Ram Das Gupta
Mohan Agashe
Brothel Keeper
Crew (7)
Maurice Binder
Main Title Designer
Andrew V. McLaglen
Director
James Leasor
Writer
Reginald Rose
Writer
John Glen
Editor
Roy Budd
Original Music Composer
Eddie Powell
Stunts