 James MasonField Marshal Erwin Rommel | Field Marshal Erwin Rommel |
 Cedric HardwickeDr. Karl Strolin | Dr. Karl Strolin |
 Jessica TandyFrau Lucie Marie Rommel | Frau Lucie Marie Rommel |
 Luther AdlerAdolf Hitler | Adolf Hitler |
 Everett SloaneGen. Wilhelm Burgdorf | Gen. Wilhelm Burgdorf |
 Leo G. CarrollField Marshal Gerd von Rundstedt | Field Marshal Gerd von Rundstedt |
 George MacreadyGen. Fritz Bayerlein | Gen. Fritz Bayerlein |
 Richard BooneCapt. Hermann Aldinger | Capt. Hermann Aldinger |
 Eduard FranzCol. Klaus von Stauffenberg | Col. Klaus von Stauffenberg |
| DDesmond YoungLt. Colonel Desmond Young | Lt. Colonel Desmond Young |
 Paul CavanaghLt. Col. Caesar von Hofaker | Lt. Col. Caesar von Hofaker |
 George NaderCommando | Commando |
 Dan O'HerlihyCommando Captain (uncredited) | Commando Captain (uncredited) |
 Michael RennieNarrator (voice) (uncredited) | Narrator (voice) (uncredited) |
 Peter van EyckGerman Officer | German Officer |
 John HoytField Marshal Wilhelm Keitel | Field Marshal Wilhelm Keitel |
| PPhilip AhlmGerman Chauffeur | German Chauffeur |
 John AndersonNot listed | Not listed |
| JJack BastonGen. Alfred Jodl | Gen. Alfred Jodl |
 Mary CarrollRommel's Maid | Rommel's Maid |
 Steve CarruthersSignal Man | Signal Man |
 Robert CooteBritish Medical Officer | British Medical Officer |
 Don De LeoMaj. Gen. Ernst Maisel | Maj. Gen. Ernst Maisel |
 Charles EvansGen. Schultz | Gen. Schultz |
 Scott ForbesCommando Colonel (uncredited) | Commando Colonel (uncredited) |
 John GoldsworthyGen. Heinrich von Stulpnagel | Gen. Heinrich von Stulpnagel |
 Lumsden HareDoctor | Doctor |
 Walter KingsfordVice-Adm. Friedrich Ruge | Vice-Adm. Friedrich Ruge |
 Paul KrugerGerman Colonel | German Colonel |
 George LynnGerman Lieutenant | German Lieutenant |
