Tron is a 1982 Walt Disney Productions science fiction movie starring Jeff Bridges as Kevin Flynn (and his counterpart inside the electronic world, Clu), Bruce Boxleitner as Alan Bradley (and Tron), Cindy Morgan as Lora Baines (and Yori) and Dan Shor as Ram. David Warner plays the villain, Ed Dillinger (and Sark), as well as providing the voice of the 'Master Control Program'. It was directed by Steven Lisberger. Being the first film from a major studio to use computer graphics extensively (developed by MAGI, Information International Inc. (Triple-I), and two others), Tron has a distinctive visual style. (Wikipedia)