 | Patrick Macnee als Dudley Jerico |
 | Connie Stevens als Susan Gray / Claudine / Georgina |
 | Herbert Lom als Victor Russo |
 | Marty Allen als Wally |
 | Leonardo Pieroni als Angelo |
 | Peter Yapp als Felipe |
 | Bruce Boa als Nolan |
 | Joanne Dainton als Merle |
 | Paul Darrow als Receptionist |
| Jasmina Hilton als Maid |
| June Cooper als First Stewardess (uncredited) |
| Nancy Egerton als Second Stewardess (uncredited) |
| Anne Godfrey als Elegant Lady (uncredited) |
| Michael Stevens als Hotel Bartender (uncredited) |
 | Nikki Van der Zyl als Claudine (voice) (uncredited) |
| Joe Wadham als Harry, Nolan's Man (uncredited) |
| Sidney Hayers | Director |
| David T. Chantler | Story |
| Philip Levene | Writer |
| Barry Delmaine | Associate Producer |
| Philip Levene | Associate Producer |
| Julian Wintle | Producer |
| Laurie Johnson | Original Music Composer |
| Alan Hume | Director of Photography |
| Lionel Selwyn | Editor |
| Harry Pottle | Production Design |
| Harry Pottle | Art Direction |
| Bill Griffiths | Hairdresser |
| Bunty Phillips | Makeup Artist |
| Ray Frift | Production Manager |
| Ivor Powell | Assistant Director |
| William Green | Construction Manager |
| A. W. Lumkin | Recording Supervision |
| Denis Porter | Sound Recordist |
| Dennis Whitlock | Sound Mixer |
| Alan Willis | Sound Editor |
| A. W. Lumkin | Sound Supervisor |
| Ivan Pulis | Stunt Double |
| Roy Vincente | Stunts |
| Tony White | Camera Operator |
| Laura Nightingale | Wardrobe Master |
| Laurie Johnson | Conductor |
| Marjorie Lavelly | Continuity |
