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

Jerold Wells

Character: Penal Colony Master

Dennis Waterman

Character: Timothy Blackthorne, the boy

David Lodge

Character: Smith

Jack Stewart

Character: Godfrey Mason

Marie Devereux

Character: Maggie Mason (uncredited)

Emile Stemmler

Character: A villager (uncredited)

Bert Simms

Character: Old Townsman (uncredited)

Denis Shaw

Character: Silver (uncredited)

John Roden

Character: 2nd Settler (uncredited)

Ernie Rice

Character: Pirate (uncredited)

Keith Pyott

Character: Silas (uncredited)

Dido Plumb

Character: Prisoner (uncredited)

Michael Peake

Character: Kemp (uncredited)

Michael Mulcaster

Character: Martin (uncredited)

Desmond Llewelyn

Character: Tom Blackthorne (uncredited)

Don Levy

Character: Carlos (uncredited)

George Hilsdon

Character: Penal Colony Guard (uncredited)

John Collin

Character: Lance (uncredited)

Bill Brandon

Character: Pirate (uncredited)

Jim Brady

Character: Pirate (uncredited)

Ronald Blackman

Character: Pugh (uncredited)

Richard Bennett

Character: Seymour (uncredited)

John Bennett

Character: Penal Colony Guard (uncredited)

Diane Aubrey

Character: Margaret Blackthorne (uncredited)