- James Mason
- Field Marshal Erwin Johannes Rommel
- Cedric Hardwicke
- Dr. Karl Strolin
- Jessica Tandy
- Frau Lucie Marie Rommel
- Luther Adler
- Adolf Hitler
- Everett Sloane
- Gen. Wilhelm Burgdorf
- Leo G. Carroll
- Field Marshal Gerd von Rundstedt
- George Macready
- Gen. Fritz Bayerlein
- Richard Boone
- Capt. Hermann Aldinger
- Eduard Franz
- Col. Klaus von Stauffenberg
- Desmond Young
- Lt. Col. Desmond Young
- Philip Ahlm
- German Soldier & Chauffeur
- John Alderson
- German Sergeant / Hospital Staffer (uncredited)
- Jack Baston
- Gen. Alfred Jodl
- Robert Bohannon
- Minor Role
- Boyd Cabeen
- Minor Role
- Roland Carpenter
- German Officer
- Mary Carroll
- Rommel's Maid
- Steve Carruthers
- Signal Man
- Paul Cavanagh
- Lt. Col. Caesar von Hofaker
- Pat Coleman
- S.S. Man
- Robert Coote
- British Medical Officer
- Eric Corrie
- Commando
- Ashley Cowan
- New Zealand Soldier
- Lawrence Cregar
- German Guard
- Fred Dale
- Minor Role
- Roy Damron
- Minor Role
- Charles Davis
- Signal Man
- Don De Leo
- Maj. Gen. Ernst Maisel
- Jack Deery
- British Medic
- Dwight D. Eisenhower
- Self
- Richard Elmore
- Rommel's Driver in Africa
- John Epper
- British Medical Officer
- Charles Evans
- Gen. Schultz
- Ray Flynn
- German Major
- Scott Forbes
- Commando Colonel
- Peter Forster
- Commando
- Curt Furberg
- Officer
- John Goldsworthy
- Gen. Heinrich von Stulpnagel
- Lumsden Hare
- Doctor
- Hal Hatfield
- Minor Role
- Gordon Heaver
- Commando
- George Hoagland
- Minor Role
- Stuart Holmes
- German Staff Officer at Conference
- John Hoyt
- Field Marshal Wilhelm Keitel
- Robin Hughes
- Medic
- Harold J. Kennedy
- S.S. Man
- Gary Kettler
- German Staff Officer
- Guy Kingsford
- Sergeant
- Walter Kingsford
- Vice-Adm. Friedrich Ruge
- Bela Kovacs
- S.S. Man
- Paul Kruger
- German Colonel & Driver
- Perk Lazelle
- German Officer
- Charles Legneur
- German Colonel
- Freeman Lusk
- German Surgeon
- George Lynn
- German Lieutenant
- Sandee Marriott
- German Lieutenant Colonel
- Lester Matthews
- British Officer
- Sean McClory
- Jock
- Keith McConnell
- British Agent
- Hans Moebus
- Surgeon
- Lyle Moraine
- Minor Role
- Clive Morgan
- British Sub Lt. Commander
- Jack Moyles
- Winston Churchill
- George Nader
- Commando
- Dan Nelson
- German Sergeant
- Louis Nicoletti
- Italian General
- Fred Nurney
- German Colonel
- Dan O'Herlihy
- Commando Captain
- Ray Page
- German Officer
- George S. Patton
- Self
- John Pedrini
- S.S. Man
- Gil Perkins
- German Soldier
- John Peters
- German Officer & Tank Commander
- John Pickard
- German Ski Trooper / Staff Aide (uncredited)
- Albert Pollet
- German Colonel
- Hugh Prosser
- Surgeon
- Michael Rennie
- Narrator
- William Reynolds
- Manfred Rommel
- Albin Robeling
- Surgeon
- John Roy
- Soldier
- Peter Seal
- Major General
- Sam Sebby
- German Lieutenant
- John Sheffield
- German Lieutenant
- Robert Simis
- Minor Role
- Murray Steckler
- Minor Role
- Todd Stenderup
- German Staff Officer
- Robert E. Strickland
- German Officer
- Hal Taggart
- German Staff Officer
- Hal Townsend
- Minor Role
- Ivan Triesault
- German Major
- Peter van Eyck
- German Officer
- Philip Van Zandt
- German S.S. Man at Hospital
- Harry J. Vejar
- German Major
- John Vosper
- Maj. Walker
- Trevor Ward
- Field Marshal Bernard Montgomery
- Crane Whitley
- S.S. Man
- Patrick Whyte
- British Agent
- Mervin Williams
- Reporter
- Al Winters
- Reporter
- Victor Wood
- British Medic
- Wilson Wood
- Sergeant Major
- William Yetter Jr.
- Photographer
- Carleton Young
- German Staff Officer