Survivors of a tragic shipping collision are rescued by a mysterious black ship which appears out of the fog. Little do they realise that the ship is actually a Nazi torture ship which has sailed the seas for years, luring unsuspecting sailors aboard and killing them off one by one.
| Actor | Role |
|---|---|
 George KennedyCaptain Ashland | Captain Ashland |
 Richard CrennaTrevor Marshall | Trevor Marshall |
 Nick MancusoNick | Nick |
 Sally Ann HowesMargaret Marshall | Margaret Marshall |
 Kate ReidSylvia | Sylvia |
 Victoria BurgoyneLori | Lori |
| JJennifer McKinneyRobin Marshall | Robin Marshall |
| DDanny HighamBen Marshall | Ben Marshall |
 Saul RubinekJackie | Jackie |
| MMurray CruchleyParsons | Parsons |
| DDoug SmithSeaman No. 1 | Seaman No. 1 |
 Anthony SherwoodSeaman No. 2 | Seaman No. 2 |
| AAndrew SempleStrangled Sailor | Strangled Sailor |
 Adolf HitlerSelf (archive footage) | Self (archive footage) |