 | Richard Attenborough als Silas |
 | David Hemmings als Bob |
 | Alexandra Stewart als Liz |
 | Nicholas Pennell als Spencer |
 | Melissa Stribling als Diana |
 | Terence Alexander als Gee Gee Gray |
 | Edric Connor als Awana |
 | Clifton Jones als General Sakut |
 | Calvin Lockhart als Ali Lin |
 | Brian Grellis als Spider |
 | Alan Gifford als Poster |
 | David Healy als Jones |
 | David Lodge als Captain (uncredited) |
 | Roy Kinnear als Hotel Chef (uncredited) |
| Walter Henry als Kitchen Assistant (uncredited) |
| Basil Dearden | Director |
| John Salmon | Screenplay |
| Len Deighton | Novel |
| Susan Dyson | Continuity |
| Anthony B. Richmond | Director of Photography |
| John Blezard | Art Direction |
| Beatrice Dawson | Costume Designer |
| Jack Holden | Set Dresser |
| Hugh Attwooll | Associate Producer |
| Fergus McDonell | Editor |
| Nicholas Napier-Bell | Assistant Editor |
| Mac Davidson | Production Manager |
| Timothy Pitt Miller | Location Manager |
| John Peverall | Assistant Director |
| Roy Ford | Camera Operator |
| Freddie Williamson | Makeup Artist |
| Barbara Ritchie | Hairdresser |
| Dino Di Campo | Sound Editor |
| Brian Holland | Dialogue Editor |
| Doug E. Turner | Sound Recordist |
| Sid Squires | Sound Recordist |
| Ron Grainer | Original Music Composer |
| Len Deighton | Producer |
| Brian Duffy | Producer |
