- Writer:
- Trevor Peacock
- Writer:
- Gavin Blakeney
- Based on an idea by/Producer:
- John Warrington
- Film Cameraman:
- Ken Westbury
- Film Editor:
- Harry Hastings
- Designer:
- Frederick Knapman
- Vice-Admiral Sir Godfrey Wiggin-Fanshawe, K.B.E., D.S.O., D.S.C., R.N.:
- A.E. Matthews
- Lieut. Gilmore, R.N.:
- Anton Rodgers
- Lieut. Stannard, R.N.:
- Robert Chetwyn
- L/A S.E.1. A. Copper:
- Roland Curram
- Radio Communications Operator (Air) N. Reynolds:
- John Southworth
- Capt. Crocker-Dobson D.S.O., R.N.:
- William Mervyn
- Cmdr. Morris, D.S.C., R.N.:
- Frank Shelley
- Lieut. Holt, R.N.:
- Philip Carr
- P. O. Bastin:
- Howard Lang
- L/A Hancocks:
- Lawrence James
- L/A Brimer:
- Malcolm Webster
- P. O. Simmons:
- Christopher Hodge
- Lt.-Cmdr. Moreland, R.N.:
- Spencer Hale
- Lady Wiggin-Fanshawe:
- Fabia Drake
- Felicity Wiggin-Fanshawe:
- Rona Anderson
- Clarissa Wiggin-Fanshawe:
- Catherine George
- Lt.-Cmdr. Perivale, R.N.:
- Douglas Storm
