Sebastian (1968)

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.

Directed by: David Greene

Starring: Dirk Bogarde, Susannah York, Lilli Palmer, John Gielgud, Janet Munro, Ronald Fraser

Links: IMDb, Movie posters, Movie stills