 | Lee Marvin als Maj. John Reisman |
 | Ernest Borgnine als Maj. Gen. Worden |
 | Charles Bronson als Joseph Wladislaw |
 | Jim Brown als Robert Jefferson |
 | John Cassavetes als Victor Franko |
 | Richard Jaeckel als Sergeant Bowren |
 | George Kennedy als Major Max Armbruster |
 | Trini López als Pedro Jiminez |
 | Ralph Meeker als Captain Stuart Kinder |
 | Robert Ryan als Col. Everett Dasher Breed |
 | Telly Savalas als Archer Maggott |
 | Donald Sutherland als Vernon Pinkley |
 | Clint Walker als Samson Posey |
 | Robert Webber als General Denton |
 | Tom Busby als Milo Vladek |
 | Ben Carruthers als Glenn Gilpin |
 | Stuart Cooper als Roscoe Lever |
 | Robert Phillips als Cpl. Morgan - MP Guard |
 | Colin Maitland als Seth Sawyer |
| Al Mancini als Tassos Bravos |
| George Roubicek als Pvt. Arthur James Gardner |
| Thick Wilson als Gen. Worden's Aide |
 | Dora Reisser als German Officer's Girl |
| Michael Anthony als German Officer in Staff Car (uncredited) |
 | Leo Britt als German General in Staff Car (uncredited) |
 | Alan Chuntz als French Servant (uncredited) |
 | Gary Files als Ambulance Driver (uncredited) |
 | Judith Furse als Drunken General's Wife (uncredited) |
| Hal Galili als MP Master Sergeant / Hangman (uncredited) |
 | Romo Gorrara als Airborne Soldier (uncredited) |
 | Willoughby Gray als German Officer (uncredited) |
 | Gerard Heinz als Card-Playing German Officer (uncredited) |
 | John G. Heller als 2nd German Sentry at Chateau (uncredited) |
| George Hilsdon als Medical Officer at Hanging (uncredited) |
 | John Hollis als German Porter at Chateau (uncredited) |
 | Alf Joint als German Sentry Wanting Light (uncredited) |
 | Juba Kennerley als German Officer (uncredited) |
 | Hildegard Knef als (uncredited) |
 | Ann Lancaster als Prostitute (uncredited) |
 | Richard Marner als German Sentry at Chateau (uncredited) |
 | Dick Miller als MP at Hanging (uncredited) |
 | Lionel Murton als MP Lt. Col. in charge at hanging (uncredited) |
 | Suzanne Owens-Duval als Prostitute (uncredited) |
 | Mike Reid als Sergeant at War Games HQ (uncredited) |
| Terry Richards als Staff Sergeant MacIntosh Blake (uncredited) |
 | Frederick Schiller als Drunken German General (uncredited) |
| Richard Shaw als German Officer Who Seals the Bunker (uncredited) |
 | Warren Stanhope als German Officer (uncredited) |
 | Hedger Wallace als German Officer (uncredited) |
| Theodore Wilhelm als German Officer (uncredited) |
 | Rocky Taylor als Airborne Soldier (uncredited) |
 | Burnell Tucker als Army Doctor (uncredited) |
 | Vicki Woolf als Prostitute (uncredited) |
 | Michael Segal als Airborne Band Conductor (uncredited) |
| Gerry Crampton als Staff Sergeant Alistair Clayton (uncredited) |
| Mike Reid | Stunts |
| Van Allen James | Sound Editor |
| Cliff Richardson | Special Effects |
| Nunnally Johnson | Screenplay |
| Colin Grimes | Assistant Art Director |
| Paul Weston | Stunts |
| Rocky Taylor | Stunts |
| John Poyner | Sound Editor |
| Tim Hutchinson | Set Designer |
| Robert Aldrich | Director |
| E.M. Nathanson | Novel |
| Lukas Heller | Screenplay |
| Kenneth Hyman | Producer |
| Raymond Anzarut | Associate Producer |
| Michael Luciano | Editor |
| Edward Scaife | Director of Photography |
| Julian Mackintosh | Production Manager |
| Bert Batt | Assistant Director |
| William Hutchinson | Art Direction |
| Franklin Milton | Sound Designer |
| Claude Hitchcock | Sound Designer |
| Frank De Vol | Original Music Composer |
| Angela Allen | Script Supervisor |
| Nosher Powell | Stunts |
| Bernard Barnsley | Stunts |
| Alf Joint | Stunts |
| Wally Schneiderman | Makeup Artist |
| Loren Janes | Stunts |
| Terry Richards | Stunts |
| Terence Plummer | Stunts |
| Roy Scammell | Stunts |
| Ken Buckle | Stunts |
| Aaron Rochin | Sound Re-Recording Mixer |
| Alan Chuntz | Stunts |
| Rick Lester | Stunt Driver |
| Jim Dowdall | Stunts |
| Jim Dowdall | Armorer |
| Jim Dowdall | Stunt Double |
| Joe Dunne | Stunts |
| Romo Gorrara | Stunts |
| Ernest Gasser | Makeup Artist |
| Maurice Marks | Stunts |
| Joe Powell | Stunts |
| Gerry Crampton | Stunt Coordinator |
| William Parnell | Assistant Editor |
| Alan McCabe | Camera Operator |
| Mickey Lennon | Assistant Property Master |
| David Wynn-Jones | Clapper Loader |
| Mark McBride | Stunts |
