| 角色 | 饰演者介绍 |
| Kiril Lakota | 安东尼·奎恩 |
| Piotr Ilyich Kamenev (as Sir Laurence Olivier) | 劳伦斯·奥利弗 |
| Fr. David Telemond | 奥斯卡·威内尔 |
| George Faber | 大卫·简森 |
| Cardinal Rinaldi | 维托里奥·德·西卡 |
| Cardinal Leone | 莱奥·麦凯恩 |
| The Elder Pope (as Sir John Gielgud) | 约翰·吉尔古德 |
| Dr. Ruth Faber | Barbara Jefford |
| Chiara | Rosemary Dexter |
| Igor Bounin | 弗兰克·芬莱 |
| Peng | 郭弼 |
| Gelasio | 阿诺尔多·弗阿 |
| Augustinian | Paul Rogers |
| Gorshenin | George Pravda |
| Vucovich | Clive Revill |
| Capuchin Monk | Niall MacGinnis |
| Cardinal Rahamani | Marne Maitland |
| The Marchesa | 伊莎·米兰达 |
| Brian | Gerald Harper |
| Dying Man's Friend | 里奥普尔多·特里斯特 |
| English Cardinal | Peter Copley |
| English Cardinal | Arthur Howard |
| Dominican | Jean Rougeul |
| American Cardinal (uncredited) | John Frederick |
| (uncredited) | ?ke Lindman |
| Polish Cardinal (uncredited) | Dom Moor |
| African Cardinal (uncredited) | Al Thomas |
