Cast
Gregory Peck
Col. Lewis Pugh
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
