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