- Jack Hawkins
- Gen. Alex Schottland
- Gia Scala
- Lili Geyr
- Erik Schumann
- Lt. Reinisch
- Alexander Knox
- Gestapo Leader Müller
- Felix Aylmer
- Cornaz
- Walter Hudd
- Adm. Canaris
- Edward Underdown
- Kaltenbrunner
- Laurence Naismith
- Gen. Hauser
- Geoffrey Bayldon
- Dietz
- Kenneth Griffith
- Adolf Hitler
- Robert Crewdson
- 1st Gestapo Agent
- Michael Caine
- Gestapo Agent
- Harriette Johns
- Karen Corscher
- Martin Benson
- Gen. Wagner
- Victor Woolf
- Pawnbroker
- Richard Grey
- Field Marshal Keitel
- Ronald Hines
- German Corporal
- Donald Pleasence
- Gen. Hardt
- Martin Boddey
- Gen. Optiz
- Bernard Fox
- Lieutenant
- Deering Wells
- Gen. Merkel
- Nade Beall
- Eva Fischer
- Ian Colin
- Col. Heitz
- Peter Swanwick
- Gen. Toppe
- Desmond Roberts
- Gen. Zeiss
- Victor Fairley
- Gen. Rupert
- W. Thorp Deverreux
- Gen. Kirche
- Bart Allison
- Orderly
- Jack Armstrong
- Officer at Hitler's Meeting
- Alan Beaton
- German Officer in Club
- Eddie Boyce
- Soldier Arresting Müller
- Peter Brace
- German Soldier in Torture Sequence
- John Brooking
- Staff Officer
- John Cabot
- Innkeeper
- Reggie de Beer
- German General at Meeting
- John Dunbar
- Doctor
- Clifford Earl
- British Soldier
- Grenville Eves
- Colonel - Field Hospital
- Norman Fisher
- German General at Restaurant
- Dudley Foster
- Gestapo Agent
- Neil Hallett
- Hitler's Guard
- Patrick Halpin
- German Officer at Party
- Aidan Harrington
- German Officer at Party
- Victor Harrington
- German General at Party
- Edward Malin
- Orderly
- John McLaren
- Bit Part
- Martin Sterndale
- Bit Part
- James Ure
- German Officer at Meeting
- Peter Welch
- Gestapo Major
- Sheree Winton
- (uncredited)
- Johnny Wyne
- German Officer at Restaurant
