 | Rod Taylor als Scobie Malone |
 | Christopher Plummer als Sir James Quentin |
 | Lilli Palmer als Sheila Quentin |
 | Camilla Sparv als Lisa Pretorius |
 | Daliah Lavi als Maria Cholon |
 | Clive Revill als Joseph |
 | Lee Montague als Denzil |
 | Calvin Lockhart als Jamaica |
 | Derren Nesbitt als Pallain |
 | Edric Connor als Julius |
 | Burt Kwouk als Pham Chimh |
 | Russell Napier als Leeds |
 | Ken Wayne als Ferguson |
 | Franchot Tone als Ambassador Townsend |
 | Paul Grist als Coburn |
 | Charles Tingwell als Jacko |
 | Leo McKern als Mr Flannery, Premier of New South Wales (uncredited) |
 | Gerald Sim als Airport Official (uncredited) |
 | Tony Selby als Cameraman (uncredited) |
| Ralph Thomas | Director |
| Ernest Hosler | Editor |
| Betty E. Box | Producer |
| Wilfred Greatorex | Screenplay |
| Georges Delerue | Original Music Composer |
| Ernest Steward | Director of Photography |
| Jon Cleary | Novel |
| Selig J. Seligman | Executive Producer |
| James H. Ware | Associate Producer |
| Tony Woollard | Production Design |
| W.T. Partleton | Makeup Artist |
| Stella Rivers | Hairdresser |
| Geoffrey Rodway | Makeup Artist |
| Donald Toms | Production Manager |
| Simon Relph | Assistant Director |
| Nicolas Hippisley-Coxe | Third Assistant Director |
| Peter Young | Set Dresser |
| Gordon K. McCallum | Sound Recordist |
| Dudley Messenger | Sound Recordist |
| Don Sharpe | Sound Editor |
| Otto Snel | Sound Mixer |
| James Bawden | Camera Operator |
| Yvonne Caffin | Costume Coordinator |
| Gladys Goldsmith | Continuity |
