 | Richard Burton als Maj. Smith |
 | Clint Eastwood als Lt. Morris Schaffer |
 | Mary Ure als Mary Ellison |
 | Patrick Wymark als Col. Wyatt Turner DSO MC |
 | Michael Hordern als Adm. Rolland |
 | Donald Houston als Christiansen |
 | Peter Barkworth als Berkeley |
 | William Squire als Thomas |
 | Robert Beatty als Brig. Gen. George Carnaby |
 | Brook Williams als Sgt. Harrod |
 | Neil McCarthy als Sgt. Jock MacPherson |
 | Vincent Ball als Carpenter |
 | Anton Diffring als Col. Kramer |
 | Ferdy Mayne als Rosemeyer |
 | Derren Nesbitt als Von Hapen |
| Victor Beaumont als Col. Weissner |
 | Ingrid Pitt als Heidi |
 | Guy Deghy als Maj. Wilhelm Wilner (uncredited) |
 | Philip Stone als Sky Tram Operator (uncredited) |
| Chris Adcock als German Soldier (uncredited) |
 | Del Baker als Pilot / German Soldier (uncredited) |
| Richard Beale als Telephone Orderly (uncredited) |
| Ivor Dean als German Officer #2 (uncredited) |
 | Max Faulkner als Sgt. Hartmann (uncredited) |
 | Harry Fielder als German Soldier (uncredited) |
 | John G. Heller als German Major - at 'Zum Wilden Hirsch' (uncredited) |
| Olga Lowe als Lt. Anne-Marie Kernitser (uncredited) |
 | Ian McCulloch als German Officer (uncredited) |
| Terence Mountain als German Radio Op (uncredited) |
 | Derek Newark als German Major (uncredited) |
 | Jim Brady als Waiter at Zum Wilden Hirsch (uncredited) |
 | Anton Rodgers als German Officer at Airfield (uncredited) |
| Jack Silk als German Officer at Ammunitions Shed (uncredited) |
| Jim Tyson als Innkeeper (uncredited) |
 | Ernst Walder als Airport Control Officer (uncredited) |
| Del Watson als German Soldier (uncredited) |
| Terry Yorke als Major Brandt (uncredited) |
 | Roy Beck als German Cablecar Engineer (uncredited) |
| Bill Burns als German Soldier in Pub (uncredited) |
| Pauline Chamberlain als Blonde Woman in Tavern (uncredited) |
| Vic Chapman als SS Officer (uncredited) |
| Terence Conoley als Nazi (uncredited) |
| Jim Dowdall als German Officer on Stairs (uncredited) |
| Frank Henson als German Soldier (uncredited) |
| Lyn Kennington als German Woman (uncredited) |
| Nigel Lambert als Young German Solider (uncredited) |
| Edward Michael Perry als German Soldier (uncredited) |
| Peter Roy als German Soldier (uncredited) |
| Bill Sawyer als Helicopter Pilot (uncredited) |
| Larry Sheppard als German Soldier (uncredited) |
 | Fred Wood als German Soldier in Bier Keller (uncredited) |
| John Jympson | Editor |
| Ron Goodwin | Original Music Composer |
| Arthur Ibbetson | Director of Photography |
| Brian G. Hutton | Director |
| Elliott Kastner | Producer |
| Ted Lloyd | Production Supervisor |
| Peter Mullins | Art Direction |
| Fred Hellenburgh | Special Effects |
| Alistair MacLean | Story |
| Alistair MacLean | Screenplay |
| Richard Parker | Special Effects |
| Arthur Newman | Costume Design |
| John Jay | Still Photographer |
| Jonathan Bates | Sound Editor |
| Paul Wilson | Camera Operator |
| Paul Stader | Stunt Coordinator |
| Bob Bremner | Gaffer |
| Penny Daniels | Continuity |
| Mickey Lennon | Assistant Property Master |
| David Wynn-Jones | Clapper Loader |
| Tom Howard | Visual Effects |
| Denis Holt | Associate Producer |
| Jerry Gershwin | Executive Producer |
| John Bramall | Sound Recordist |
| Gillian Aldam | Stunt Double |
| Yvonne Blake | Costume Design |
| Tony Sforzini | Makeup Artist |
| Tom Sachs | Unit Manager |
| Colin M. Brewer | Assistant Director |
| Yakima Canutt | Second Unit Director |
| Anthony Waye | Assistant Director |
| Patrick Clayton | Second Assistant Director |
| Chris Kenny | Second Second Assistant Director |
| Arthur Taksen | Set Dresser |
| Peter Hancock | Props |
| J.B. Smith | ADR & Dubbing |
| Richard Best Jr. | Foley Artist |
| Peter Dobson | Assistant Foley Artist |
| Michael Hickey | Sound |
| Del Baker | Stunts |
| Peter Brace | Stunts |
| Paul Stader | Stunts |
| Tim Condren | Stunts |
| George Lane Cooper | Stunts |
| Jack Cooper | Stunts |
| Billy Cornelius | Stunts |
| Tom L. Dittman | Stunt Double |
| Jim Dowdall | Stunts |
| Steve Emerson | Stunts |
| Roy Everson | Stunts |
| Max Faulkner | Stunts |
| Harry Fielder | Stunts |
| Tex Fuller | Stunts |
| Romo Gorrara | Stunts |
| Richard Graydon | Stunts |
| Frank Henson | Stunts |
| Alf Joint | Stunt Double |
| Alf Joint | Stunts |
| Rick Lester | Stunts |
| Jimmy Lodge | Stunts |
| Dave Newman | Stunts |
| Terence Plummer | Stunts |
| Eddie Powell | Stunts |
| Eddie Powell | Stunt Double |
| Joe Powell | Stunts |
| Nosher Powell | Stunts |
| Terry Richards | Stunts |
| Doug Robinson | Stunts |
| Bill Sawyer | Stunt Double |
| Bill Sawyer | Stunts |
| Jack Silk | Stunts |
| Jimmy Thong | Stunts |
| David Watson | Stunts |
| Les White | Stunts |
| Dave Wilding | Stunts |
| Terry Yorke | Stunts |
| H. A. R. Thomson | Camera Operator |
| Douglas Adamsson | Aerial Camera |
| Bob Bremner | Electrician |
| David Cadwallader | Grip |
| Denis Fraser | Grip |
| Ginger Gemmel | Camera Operator |
| Allan Jones | Focus Puller |
| Edward Michael Perry | Electrician |
| Kelvin Pike | Camera Operator |
| Graeme Scaife | Clapper Loader |
| Elsa Fennell | Wardrobe Supervisor |
| Alan Strachan | Assistant Editor |
| Ron Goodwin | Conductor |
| Brian Couzens | Orchestrator |
| Arthur L. Frantz | Musician |
| Ron Goodwin | Orchestrator |
| Al Lettieri | Dialogue Coach |
| Norma Garment | Production Secretary |
