The Silent Invasion (1962) — Cast
Cast
| Jan Conrad | Sgt. Taggart |
| John Serrat | Jacques Mayol |
| C. Denier Warren | Gillie |
| Petra Davies | Maria Schneider |
| Eric Flynn | Erik |
| Max Faulkner | Curt Flemming |
| Noel Dyson | Mme Lancaster |
| André Maranne | Argen |
| Warren Mitchell | Robert 'Rob' Nelson |
| Martin Benson | Borge |
| Francis de Wolff | Emile Leopold Locque |
| Melvyn Hayes | Jean-Pierre |
| André Muller | Wilhelm Kunde |
| Guy Deghy | Jean-Pierre |
Crew
| James Wilson | Director of Photography |
| Rene Coke | Wardrobe Supervisor |
| Norman G. Arnold | Art Direction |
| Brian Clemens | Screenplay |
| Brian Taylor | Production Supervisor |
| John Draper | Production Manager |
| Edward J. Danziger | Producer |
| Max Varnel | Director |
| Harry Lee Danziger | Producer |
| Paddy Aherne | Camera Operator |
| Geoffrey Helman | Assistant Director |
| W. Anson Howell | Sound Supervisor |
| Bill LeSage | Music |
| Aldo Manganaro | Makeup Artist |
| Isabelle Byers | Continuity |
| Elsie Alder | Hairdresser |
| Derek Parsons | Editor |
| George Adams | Sound Recordist |
| Ken Rolls | Sound Editor |