David Greene (Director) · Gerald Vaughan-Hughes (Screenplay) · Leo Marks (Story)
Dirk Bogarde
Sebastian
Susannah York
Rebecca Howard
Lilli Palmer
Elsa Shahn
John Gielgud
Head of Intelligence
Janet Munro
Carol Fancy
Ronald Fraser
Toby
Margaret Johnston
Miss Elliott
Nigel Davenport
Gen. Phillips
John Ronane
Jameson
Hayward Morse
Gavin
Donald Sutherland
Ackerman
Ann Beach
Pamela
Susan Whitman
Tilly
Ann Sidney
Naomi
Veronica Clifford
Ginny
Louise Purnell
Thelma
Portland Mason
'UG' Girl
James Belchamber
Man with Dog
Charles Farrell
Taxi Driver
Charles Lloyd Pack
Chess Player
Alan Freeman
TV Disc Jockey
Jeanne Roland
Randy
Lynn Pinkney
Joan
Sally Douglas
Uncredited
Stuart Hoyle
Uncredited
No trailers or clips available.
Sebastian is an undisciplined mathematics genius who works in the "cipher bureau" of the British Intelligence. While cracking enemy codes, Sebastian finds time to romance co-worker Rebecca Howard.
