- Writer:
- R.F. Delderfield
- Producer:
- Desmond O'Donovan
- Fights arranged by:
- Terry Baker
- Film Cameraman:
- David Prosser
- Film Editor:
- Ron de Mattos
- Designer:
- Frederick Knapman
- Ben Gunn:
- John Moffat
- Nick Allardyce:
- Richard Coleman
- John Silver:
- Peter Wyngarde
- Captain Flint:
- Rupert Davies
- Gabriel Pew:
- Nigel Arkwright
- Black Dog:
- Gertan Klauber
- Israel Hands:
- Sean Lynch
- Tom Morgan:
- Neil Hallett
- Anderson:
- Rodney Burke
- Davis:
- Terry Baker
- Sergeant Hoxton:
- Peter Vaughan
- Private Barnes:
- John Barrett
- Ben Gunn as an old man:
- Meadows White
- Jim Hawkins:
- John H. Watson
- First sailor:
- John Grant
- Second sailor:
- Louis Haslar
- Billy Bones:
- Olaf Pooley
- Big Prosper:
- Ayton Medas
- Darby MaGraw:
- Michael Corcoran
- Captain Ayrton:
- Anthony Harrison
