| 角色 | 饰演者 | 角色介绍 |
| 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 |
