Étienne Périer
Director
Alistair MacLean
Novel
Alistair MacLean
Screenplay
Walter Stott
Compositor
Arthur Ibbetson
Director of Photography
Sue Yelland
Costume Design
Malcolm J. Christopher
Location Manager
Elliott Kastner
Producer
Jack Maxsted
Art Direction
John Shirley
Editor
Denis Holt
Associate Producer
Angela Morley
Original Music Composer
Ted Lloyd
Production Supervisor
David Wynn-Jones
Assistant Camera
Les Hillman
Special Effects
Anthony Hopkins
Philip Calvert
Robert Morley
Uncle Arthur
Nathalie Delon
Charlotte
Jack Hawkins
Sir Anthony Skouras
Corin Redgrave
Hunslett
Derek Bond
Lord Charnley
Ferdy Mayne
Lavorski
Maurice Roëves
Lt. Williams - Helicopter Pilot
Leon Collins
Tim Hutchinson
Wendy Allnutt
Sue Kirkside
Peter Arne
Capt. Imrie
Oliver MacGreevy
Quinn
Jon Croft
Durran
Tom Chatto
Lord Kirkside
Charlie Stewart
Sgt. Macdonald
Edward Burnham
Macullum
Del Henney
Dungeon Guard
Bill Brandon
Thug (uncredited)
Harry Fielder
Thug on Boat (uncredited)
Martin Grace
Thug (uncredited)
Charles Gray
Sir Anthony Skouras (voice) (uncredited)
Prentis Hancock
Agent (uncredited)
Barrie Hesketh
Seaman (uncredited)
Bill Hibbert
Thug (uncredited)
George Leech
Thug (uncredited)
