Trailer
Images
 | John Mills as Pat Reid |
 | Eric Portman as Colonel Richmond |
 | Frederick Valk as Kommandant |
 | Denis Shaw as Priem |
 | Lionel Jeffries as Harry Tyler |
 | Christopher Rhodes as 'Mac' McGill |
 | Richard Wattis as Richard Gordon |
 | Ian Carmichael as Robin Cartwright |
 | Bryan Forbes as Jimmy Winslow |
 | Theodore Bikel as Vandy |
 | Eugene Deckers as La Tour |
 | Anton Diffring as Hauptmann Fischer |
 | Guido Lorraine as Polish officer |
 | Witold Sikorski as Polish Officer |
| A. Blichewicz as Polish Officer |
| B. Dolinski as Polish Officer |
| Leo Bieber as German Interpreter |
| Rudolph Offenbach as Dutch Colonel |
| Keith Pyott as French Colonel |
| Arthur Butcher as Polish Colonel |
| David Yates as Dick |
 | Carl Duering |
| Ludwik Lawinski |
 | Peter Swanwick |
 | John G. Heller |
 | Guy Deghy |
| Directing | |
| Guy Hamilton | Director |
| Ted Sturgis | Second Assistant Director |
Camera | |
| John Shinerock | Clapper Loader |
Writing | |
| Ivan Foxwell | Writer |
| Guy Hamilton | Writer |
Production | |
| Ivan Foxwell | Producer |
Writing | |
| William Douglas-Home | Writer |
Camera | |
| Gordon Dines | Director of Photography |
Editing | |
| Peter Mayhew | Editor |
Sound | |
| Francis Chagrin | Music |
