In their only screen work together (Batman (1989)), he and Liza Ross play a married couple... just like they are in real life.
Played the role of Luke Skywalker's best friend from Tatooine, Biggs Darklighter, in the first Star Wars: Episode IV - A New Hope (1977) film. All of his scenes from the original movie were in the cockpit of his X-Wing, until the release of the Special Edition in 1997.