"A deep-sea salvage expert enacts an elaborate plan to infiltrate and take revenge on a criminal organization that dealt him a foul misdeed."
Barry Newman
as John Talbot
Suzy Kendall
as Sarah Ruthven
John Vernon
as Vyland
Dolph Sweet
as Jablonsky
Ben Kingsley
as Royale
Ray McAnally
as Ruthven
Peter Marinker
as Larry
Roland Brand
as Deputy
Tony Anholt
as FBI Agent
Elliott Sullivan
as Judge Mollison
John Alderson
as Tanner (uncredited)
James Berwick
as (uncredited)
Hal Galili
as Cibatti (uncredited)
Ernie Heldman
as Bartender (uncredited)
Michael Tuchner
Director
Alistair MacLean
Novel
Robert Carrington
Screenplay
Alex Thomson
Director of Photography
Jay Kanter
Producer
Elliott Kastner
Executive Producer
Roy Budd
Music
Syd Cain
Production Design
Ray Lovejoy
Editor
Gavrik Losey
Associate Producer
Mary Selway
Casting
Maurice Carter
Alan Ladd Jr.
Colin M. Brewer
Assistant Director
Ronnie Cogan
Hairstylist
Bob Lawrance
Makeup Artist
Brian Frost
First Assistant Editor
Joie Chitwood Jr.
Stunt Driver
Chris Kenny
Second Assistant Director
Tony Jackson
Sound Recordist
K.C. Jones
Second Unit Cinematographer
Colin Corby
Camera Operator
Carey Loftin
Stunt Coordinator
Nick Allder
Special Effects
David Munro
Simon Wakefield
Set Dresser
Peter Cotton
Third Assistant Director
Stan Fiferman
ADR Editor
Derek Meddings
Joe Powell
Stunts
Bill Rowe
Sound Re-Recording Mixer