- Writer:
- R.F. Delderfield
- Producer:
- Desmond O'Donovan
- Film Cameraman:
- David Prosser
- Film Editor:
- Ron de Mattos
- Jim Hawkins:
- John H. Watson
- Ben Gunn, as an old man:
- Meadows White
- Ben Gunn:
- John Moffatt
- Gunn Senior:
- Richard Hatter
- Nick Allardyce:
- Richard Coleman
- Dulcie Allardyce:
- Anthea Wyndham
- Parson Allardyce:
- Frank Crawshaw
- Basil Custer:
- Louis Haslar
- Sergeant Hoxton:
- Peter Vaughan
- Private Barnes:
- John Barrett
- Gabriel Pew:
- Nigel Arkwright
- Israel Hands:
- Sean Lynch
- Anderson:
- Rodney Burke
- Black Dog:
- Gertan Klauber
- Davis:
- Terry Baker
- Morgan:
- Neill Hallett
- Captain Ayrton:
- Anthony Harrison
- John Silver:
- Peter Wyngarde
- Captain Flint:
- Rupert Davies
