Sebastian (1968) is a Drama, Romance, Comedy film that follows 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. Sebastian is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 6.1 out of 10 from 12 votes. Fans of drama movies may also want to explore similar titles below.