| 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 | |
