- Unknown:
- Ian Hay
- Unknown:
- Stephen King-Hall
- Unknown:
- Gilbert Hackforth Jones
- Produced By:
- Archie Campbell
- Marine Ogg:
- Charles Leno
- Corporal Duckett:
- Geoffrey Bond
- Captain Randall, Royal Marines:
- Richard Waring
- Fay Eaton:
- Marcia Ashton
- Ah Fong, the Captain's Chinese servant:
- Cyril Shaps
- Nancy Hewitt:
- Jill Raymond
- Commander Baddeley:
- Michael O'Halloran
- Charlotte Hopkinson:
- Molly Lumley
- Admiral Sir Hercules Hewitt, K C B:
- Gordon MacLeod
- Mary Carlton:
- Ann Murray
- Lady Hewitt:
- Courtney Hope
- Captain Maitland:
- Jack Hulbert
- Sailor:
- Brian Hayes
