Discover
Christopher Jones
Leiser
Pia Degermark
The Girl
Ralph Richardson
LeClerc
Anthony Hopkins
John Avery
Paul Rogers
Haldane
Susan George
Susan
Ray McAnally
Undersecretary of State
Robert Urquhart
Johnson
Vivian Pickles
Mrs. King
Anna Massey
Avery's Wife
Maxine Audley
Mrs LeClerc
Timothy West
Taylor
Michael Robbins
Truck Driver
Cyril Shaps
East German Detective
Peter Swanwick
Finnish Policeman
Guy Deghy
Fritsche
Angela Down
Chelsea Girl
Paul Maxwell
CIA Man
Frederick Jaeger
Pilot
Jill Goldston
Pub Patron (uncredited)
Russell Lewis
Avery's Child
Crew
Buster Ambler
Sound Recordist
Directing
Frank Pierson
Director
Editing
Willy Kemplen
Editor
Ray Thorne
Assistant Editor
Production
M.J. Frankovich
Executive Producer
William Kirby
Associate Producer
John Box
Producer
Robert Lennard
Casting
Crew
Buster Ambler
Sound Recordist
Directing
Frank Pierson
Director
Editing
Willy Kemplen
Editor
Ray Thorne
Assistant Editor
Production
M.J. Frankovich
Executive Producer
William Kirby
Associate Producer
John Box
Producer
Robert Lennard
Casting