Top Secret (1952) — Cast
Cast
| Kynaston Reeves | Sector Director |
| Christopher Lee | (uncredited) |
| Frederick Valk | Rakov |
| Frederick Leister | Prime Minister |
| Geoffrey Sumner | Pike |
| Ronald Adam | Air Traffic Controller |
| David Hurst | Deutsch |
| Edwin Styles | Superintendent |
| Ernest Jay | Professor Pacoli |
| Ina De La Haye | Madame Leroy |
| Olaf Pooley | Roblettski |
| Bernard Rebel | Trubiev |
| Nadia Gray | Tania Degano |
| Phyllis Morris | Tweedy |
| Irene Handl | Tidmarsh |
| George Cole | Potts |
| Oskar Homolka | Zekov |
| Eleanor Summerfield | Cecilia Huerta |
| Michael Balfour | Jersey |
| Michael Medwin | Smedley |
| Myrtle Reed | Jersey |
| Tim Turner | 1st Garbageman |
| Gerard Heinz | Plant |
| Guido Lorraine | 1st Garbageman |
| Gibb McLaughlin | Peepers Egan / Schoolmaster |
| Fred Berger | Doctor |
| Richard Marner | Sentry |
| Terence Alexander | 2nd. Nazi |
| Martin Boddey | Security Guard |
| Wilfrid Hyde-White | Hubert |
| Charles Goldner | Gaston Monescu |
| Reed De Rouen | 1st Garbageman |
| Victor Maddern | N.C.O. |
| Hal Osmond | Jersey |
| Richard Wattis | Norville Barnes |
| Ronnie Stevens | Aubrey |
| Walter Horsbrugh | 1st Garbageman |
| Anthony Shaw | 2nd. Nazi |
| Henry Hewitt | Prime Minister |
| Johnny Catcher | 2nd. Nazi |
| Willoughby Gray | British Diplomat |
| Anton Diffring | (uncredited) |
Crew
| Stanley Black | Original Music Composer |
| Mario Zampi | Director |
| Stanley Pavey | Director of Photography |
| Ivan King | Art Direction |
| Michael Pertwee | Screenplay |
| Jack Davies | Screenplay |
| Mario Zampi | Producer |
| Giulio Zampi | Editor |