| 角色 | 饰演者介绍 |
| Cmdr. Don Winslow | Don Terry |
| Lt. 'Red' Pennington | Walter Sande |
| Mercedes Colby | Elyse Knox |
| Hirota | 菲利普·韩 |
| Tasmia | 琼·杜普雷兹 |
| CPO Ben Cobb | Edgar Dearing |
| Reichter Chief thug | Lionel Royce |
| Heilrich | Henry Victor |
| Mussanti | Charles Wagenheim |
| The Scorpion | Nestor Paiva |
| Detective Collins [Chs. 7 11] (uncredited) | Stanley Blystone |
| Water Gate Controller (uncredited) | Paul Bryar |
| Truck Driver [Chs. 8-9] (uncredited) | Jack Cheatham |
| Captain Holding [Ch. 1] (uncredited) | Richard Cramer |
| Clark Winslow's aide [Chs. 2-3 9 12-13] (uncredited) | Eddie Dean |
| Police Dispatcher [Ch. 9] (uncredited) (archive footage) | James Donlan |
| Coast Guardsman [Ch. 3] (uncredited) | Paul Dubov |
| Air Raid Warden [Ch. 8] (uncredited) | Heenan Elliott |
| Farmer [Ch. 11] (uncredited) | Al Ferguson |
| Coast Guardsman with message [Ch. 2] (uncredited) | Jack Gardner |
| (uncredited) | Fred Graham |
| Henchman Muller [Ch. 13] (uncredited) | Frank Hagney |
| Coast Guard pilot (uncredited) | Eddie Hall |
| Guard in Hospital Hallway [Ch. 8] (uncredited) | Chuck Hamilton |
