| 角色 | 饰演者 | 角色介绍 |
| Nora | 索菲娅·罗兰 | |
| Lt. John Curtis | 乔治·佩帕德 | |
| General Boyd | 约翰·米尔斯 | |
| Professor Lindemann | 特瑞沃·霍华德 | |
| Duncan Sandys | Richard Johnson | |
| Robert Henshaw | 汤姆·康特奈 | |
| Phil Bradley | 杰瑞米·坎普 | |
| Bamford | 安东尼·奎尔 | |
| Frieda | 莉莉·帕尔默 | |
| General Ziemann | 保罗·亨雷德 | |
| General Linz | 赫尔穆特·丹丁 | |
| Hannah Reitsch (as Barbara Rueting) | Barbara Rütting | |
| Wing Cmdr. Kendall | 理查德·托德 | |
| Constance Babington Smith | 西尔维亚·萨姆丝 | |
| Flight Lt. Kenny | 约翰·弗拉瑟 | |
| RAF Officer | Maurice Denham | |
| Prime Minister Winston Churchill | Patrick Wymark | |
| German Police Inspector | Wolf Frees | |
| Col. Kenneth Post | Moray Watson | |
| Sir Charles Sims | 理查德·沃迪斯 | |
| German Technical Examiner | Allan Cuthbertson | |
| Prof. Hoffer | Karel Stepanek | |
| German Hotel Porter | Milo Sperber | |
| German Officer at rocket plant | Ferdy Mayne | |
| Air Commodore | 罗伯特·布朗 | |
| A German (uncredited) | John Abineri | |
| RAF 'Dakota' navigator (uncredited) | John Alderton | |
| Dutch barge skipper (uncredited) | Guy Deghy | |
| German Soldier (uncredited) | 安东·迪夫伦 | |
| Parachute Instructor (uncredited) | Frank Foley | |
| German officer in charge of V2 launch (uncredited) | John G. Heller |
