 | Robert Wagner als Mark Fannon |
 | Joan Collins als Tina Llewellyn |
 | Edmond O'Brien als George Underwood |
 | Larry Keating als High Commissioner |
 | Ken Scott als Tony Barrett |
 | Sarah Selby als High Commissioner's Wife |
| John P. Marquand | Novel |
| Paul Sawtell | Original Music Composer |
| Walter Reisch | Screenplay |
| Richard L. Breen | Screenplay |
| Walter Reisch | Producer |
| Richard L. Breen | Director |
| Marjorie Fowler | Editor |
| Charles G. Clarke | Director of Photography |
