 | Richard Basehart als Don Benton |
 | Athene Seyler als Mao Tai Tai |
 | Lisa Gastoni als Lola Sanchez |
 | Eric Pohlmann als Ivono Kong |
 | Marne Maitland als Han Po |
 | Bernard Cribbins als Pereira |
 | Alan Gifford als Charles Orme |
 | Kevin Scott als Sam Johnson |
 | Burt Kwouk als Jimmy |
 | Hedger Wallace als Inspector Taylor |
 | Sorata Ra Fat als Hostess (uncredited) |
| Ronald Ing als Sentry (uncredited) |
| Zoreen Ismail als Swee Kim (uncredited) |
 | Robert Lee als Chinese Officer (uncredited) |
| Paula Li Shiu als Girl Croupier (uncredited) |
 | Milton Reid als Bodyguard (uncredited) |
 | Yvonne Shima als Liong Ti (uncredited) |
| Jerry Lee Yen als Room Boy (uncredited) |
| Gordon Wellesley | Screenplay |
| Michael Carreras | Director |
| James Needs | Editor |
| Thomas Goswell | Art Direction |
| Michael Carreras | Producer |
| Molly Arbuthnot | Wardrobe Designer |
| Frieda Steiger | Hairstylist |
| Arthur Mann | Assistant Director |
| Anthony Nelson Keys | Associate Producer |
| Jock May | Sound |
| Eric Besche | Camera Operator |
| Roy Ashton | Makeup Artist |
| Edwin Astley | Music Director |
| Alfred Cox | Editor |
| Bernard Robinson | Art Direction |
| Clifford Parkes | Production Manager |
| Edwin Astley | Original Music Composer |
| Tilly Day | Continuity |
| Arthur Grant | Director of Photography |
