Kerwin Mathews
Jonathon Standing
Acting
Christopher Lee
Captain LaRoche
Acting
Andrew Keir
Jason Standing
Acting
Glenn Corbett
Henry
Acting
Michael Ripper
First Mate Mack
Acting
Peter Arne
Bosu'n Hench
Acting
Marla Landi
Bess Standing
Acting
Oliver Reed
Pirate Brocaire
Acting
Jerold Wells
Penal Colony Master
Acting
Dennis Waterman
Timothy Blackthorne, the boy
Acting
David Lodge
Smith
Acting
Jack Stewart
Godfrey Mason
Acting
Marie Devereux
Maggie Mason (uncredited)
Acting
Emile Stemmler
A villager (uncredited)
Acting
Bert Simms
Old Townsman (uncredited)
Acting
Denis Shaw
Silver (uncredited)
Acting
John Roden
2nd Settler (uncredited)
Acting
Ernie Rice
Pirate (uncredited)
Acting
Keith Pyott
Silas (uncredited)
Acting
Dido Plumb
Prisoner (uncredited)
Acting
Michael Peake
Kemp (uncredited)
Acting
Michael Mulcaster
Martin (uncredited)
Acting
Desmond Llewelyn
Tom Blackthorne (uncredited)
Acting
Don Levy
Carlos (uncredited)
Acting
George Hilsdon
Penal Colony Guard (uncredited)
Acting
John Collin
Lance (uncredited)
Acting
Bill Brandon
Pirate (uncredited)
Acting
Jim Brady
Pirate (uncredited)
Acting
Ronald Blackman
Pugh (uncredited)
Acting
Richard Bennett
Seymour (uncredited)
Acting
John Bennett
Penal Colony Guard (uncredited)
Acting
Diane Aubrey
Margaret Blackthorne (uncredited)
Acting