- Writer:
- Kenneth Langmaid
- Novelist:
- D. A. Rayner
- Producer:
- Archie Campbell
- Cdr Murrell:
- Brewster Mason
- Lt Cdr Wheeler (Number One):
- William Eedle
- Surgeon Lieut Macmillan (Doc):
- Eric Woodburn
- Signalman:
- Michael Turner
- Lieut Craven:
- Hugh Dickson
- Capt Morgan:
- Godfrey Kenton
- Cdr Ransom:
- Ralph Hallett
- Lieut Masters (Pilot):
- Nigel Anthony
- Signalman:
- Haydn Jones
- L S Kirby (Officers' Steward):
- Keith Buckley
- L S Pengelley:
- Anthony Viccars
- A B Anders:
- Rodney Bewes
- A B Sibson:
- Jon Rollason
- A B Trotman:
- Hugh Dickson
- Engine Room Artificer Hart:
- Derek Blomfield
- L S White:
- Keith Williams
- Mr Gray (Gunner):
- Tom Watson
- Focke-Wulf Pilot:
- John G Heller
- Co-pilot:
- Keith Buckley
- U-boat Captain:
- Frederick Schrecker
- U-boat Navigator:
- Rolf Lefebvre
- Konter-Admiral von Fichte:
- Hugh Manning
- Herr Spichern:
- Carl Duering
- Lieutenant Klein,:
- Keith Williams
- Chief-of-Staff:
- Rudolf Offenbach
