- Writer and producer:
- Shaun Sutton
- Film cameraman:
- Leonard Newson
- Film cameraman:
- Bill Munn
- Film editor:
- Ron de Mattos
- Designer:
- Frederick Knapman
- Lieut Anson, R.N.V.R.:
- Barry Letts
- Captain Miller:
- James Sharkey
- Captain Gill:
- Nigel Arkwright
- Commissioned Gunner Parks, R.N.:
- Neil Wilson
- Gaston Rondeur:
- Derek Francis
- Robert:
- Robin Lloyd
- Philippe Rondeur:
- Frazer Hines
- Gerard:
- John Woodnutt
- Racon:
- Robert Hunter
- Savonac:
- Colin Douglas
- Madame Savonac:
- Pauline Letts
- Francoise Savonac:
- Donna Clow
- Pierre:
- Stanley van Beers
- Stephan:
- John Herrington
- First S.S. Man:
- Robert Mooney
- Second S.S. Man:
- Colin Morton
- First deserter:
- Michael Hanbury
- Second deserter:
- Ian Gardiner
- Reissman:
- Derek Sydney
- Herr Grosnitz:
- Patrick Cargill
- Herr Bauer:
- Harvey Hall
- Captain Johannes:
- Nicholas Brady