| 角色 | 饰演者介绍 |
| Capt. Horatio Hornblower R.N | 格利高里·派克 |
| Lady Barbara Wellesley | 弗吉尼亚·梅奥 |
| Lt. William Bush | 罗伯特·比提 |
| Lt. Crystal | Moultrie Kelsall |
| 2nd Lt. Gerard | Terence Morgan |
| Midshipman Longley | James Kenney |
| Seaman Quist (as James R. Justice) | 詹姆斯·罗伯逊·贾斯蒂 |
| RAdm. Sir Rodney Leighton | Denis O'Dea |
| Polwheal (Hornblower's batman) | Richard Hearne |
| Surgeon Gundarson | Michael Dolan |
| Mr. Harrison (bosun) | 斯坦利·贝克 |
| Hernandez | 阿兰·提尔文 |
| El Supremo (Don Julian Alvarado) | Alec Mango |
| Spanish captain | 克里斯托弗·李 |
| Entenza | John Witty |
| Col. Caillard (POW escort) | Michael Goodliffe |
| French commandant | Eugene Deckers |
| Hebe (Lady Barbara's maid) (as Ingeborg Wells) | Ingeborg von Kusserow |
| Mrs. McPhee (Hornblower's housekeeper) | Amy Veness |
| Adm. Lord Hood | Kynaston Reeves |
| Adm. McCartney | Ronald Adam |
| Capt. Elliott (uncredited) | Basil Bartlett |
| French mate on 'Witch of Endor' (uncredited) | Robert Cawdron |
| Voice of Maria Hornblower (uncredited) | 黛安妮·赛琳托 |
| Seaman on 'Lydia' (uncredited) | Howard Connell |
| Seaman (uncredited) | Patric Doonan |
