The Royal Navy stumble across a drug smuggling racket.
| Actor | Role |
|---|---|
 Clifford EarlCommander | Commander |
| RRay LonenLieutenant Commander Finch | Lieutenant Commander Finch |
| LLaurence HarringtonSurgeon Lieutenant | Surgeon Lieutenant |
| IIain BlairAble Seaman Harris | Able Seaman Harris |
| LLeo DolanAble Seaman Plunket | Able Seaman Plunket |
| AAlan O'KeefeAble Seaman Morgan | Able Seaman Morgan |
| TTony RowlandsAble Seaman Meadows | Able Seaman Meadows |
| JJames WalshAble Seaman Watts | Able Seaman Watts |
| AAlbert LampertAble Seaman Yates | Able Seaman Yates |