| 角色 | 饰演者 | 角色介绍 |
| Sally Maitland | 安娜·尼格尔 | |
| Lieutenant Commander Jim Garrick | 理查德·格林尼 | |
| Betty Maitland | Nova Pilbeam | |
| Jan Orlock | Albert Lieven | |
| Madame Orlock | Lucie Mannheim | |
| Colonel Charles Hargraves | George Thorpe | |
| Lady Maitland | Marjorie Fielding | |
| Captain Foster | Franklin Dyall | |
| Mrs. Towcester | 玛格丽特·鲁斯福德 | |
| Major Fothergill | Claude Bailey | |
| Madame Orlock's Attendant (as Sibilla Binder) | Sybille Binder | |
| German Commander | Valentine Dyall | |
| Entertainer | Cyril Fletcher | |
| Maitland's Maid (uncredited) | Grace Allardyce | |
| Newspaper Seller at Railway Station (uncredited) | Madge Brindley | |
| Ship's Captain (uncredited) | Clifford Buckton | |
| Sir William Maitland (uncredited) | Patric Curwen | |
| Ticket Collector on Train (uncredited) | Edgar Driver | |
| Ship's Steward (uncredited) | Leslie Dwyer | |
| Commissionaire (uncredited) | Anthony Eustrel | |
| Observer Corpsman in Opening Scene (uncredited) | Ian Fleming | |
| Passport Officer (uncredited) | Hedley Goodall | |
| Receptionist (uncredited) | Grizelda Harvey | |
| Admiral (uncredited) | David Horne | |
| Intelligence Agent (uncredited) | John Kannowin |
