Sebastian
- Cast: Dirk Bogarde, Susannah York, Lilli Palmer, John Gielgud, Janet Munro
- Duration: 100 minutes
- Genre: Drama, Romance, Comedy
- Rating: 6/10
- Release Date: 1968-01-24
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.
