| 角色 | 饰演者 | 角色介绍 |
| Philip Sutherland | 克拉克·盖博 | |
| Marya Lamarkina | 吉恩·蒂尔尼 | |
| Hotel Desk Clerk (uncredited) | 安东·迪夫伦 | |
| Joe Brooks | Bernard Miles | |
| Christopher Wellington St. John Denny | Richard Haydn | |
| Valentina Alexandrovna | Belita | |
| Steve Quillan | 肯尼斯·摩尔 | |
| Commissar | Karel Stepanek | |
| Lieutenant | 西奥多·拜克 | |
| Svetlana Mikhailovna | Anna Valentina | |
| Kuragin | Frederick Valk | |
| N.K.V.D. Man | Peter Illing | |
| U.S. Ambassador | Robert Henderson | |
| John Barnes | Stanley Maxted | |
| Lemkov | Meinhart Maur | |
| General Zhdanov | Alexis Chesnakov | |
| Marya's Partner (uncredited) | Anton Dolin |
