"A group of ruthless pirates attack a 17th Century Huguenot settlement on the Isle of Devon in search of treasure and will stop at nothing to obtain it."
Kerwin Mathews
as Jonathon Standing
Christopher Lee
as Captain LaRoche
Andrew Keir
as Jason Standing
Glenn Corbett
as Henry
Michael Ripper
as First Mate Mack
Peter Arne
as Bosu'n Hench
Marla Landi
as Bess Standing
Oliver Reed
as Pirate Brocaire
Jerold Wells
as Penal Colony Master
Dennis Waterman
as Timothy Blackthorne, the boy
David Lodge
as Smith
Jack Stewart
as Godfrey Mason
Marie Devereux
as Maggie Mason (uncredited)
Emile Stemmler
as A villager (uncredited)
Bert Simms
as Old Townsman (uncredited)
Denis Shaw
as Silver (uncredited)
John Roden
as 2nd Settler (uncredited)
Ernie Rice
as Pirate (uncredited)
Keith Pyott
as Silas (uncredited)
Dido Plumb
as Prisoner (uncredited)
Michael Peake
as Kemp (uncredited)
Michael Mulcaster
as Martin (uncredited)
Desmond Llewelyn
as Tom Blackthorne (uncredited)
Don Levy
as Carlos (uncredited)
George Hilsdon
as Penal Colony Guard (uncredited)
John Collin
as Lance (uncredited)
Bill Brandon
Jim Brady
Ronald Blackman
as Pugh (uncredited)
Richard Bennett
as Seymour (uncredited)
John Bennett
Diane Aubrey
as Margaret Blackthorne (uncredited)
John Gilling
Director
John Hunter
Screenplay
Jimmy Sangster
Story
Anthony Nelson Keys
Producer
Michael Carreras
Executive Producer
Gary Hughes
Original Music Composer
Arthur Grant
Director of Photography
Eric Boyd-Perkins
Editor
Stuart Lyons
Casting
Bernard Robinson
Production Design
Don Mingaye
Art Direction
Roy Ashton
Makeup Artist
Frieda Steiger
Hairstylist