Kerwin Mathews character Jonathon Standing
Christopher Lee character Captain LaRoche
Andrew Keir character Jason Standing
Glenn Corbett character Henry
Michael Ripper character First Mate Mack
Peter Arne character Bosu'n Hench
Marla Landi character Bess Standing
Oliver Reed character Pirate Brocaire
Marie Devereux character Maggie Mason
Jerold Wells character Penal Colony Master
Dennis Waterman character Timothy Blackthorne, the boy
Desmond Llewelyn character Tom Blackthorne
David Lodge character Smith
Jack Stewart character Godfrey Mason
