Lance R. Guest is an American film and television actor. Guest developed a serious interest in acting in the ninth grade, and he majored in theater while attending UCLA. He has starred in many theatrical films including his role as Jimmy alongside actress Jamie Lee Curtis inHalloween II, and also starred in Neil Simon’s I Ought to Be in Pictures. His most notable role is in the 1984 science fiction film The Last Starfighter as Alex Rogan, and as Beta, a robot sent to replace Alex while he was in space. In 1987, he starred in Jaws: The Revenge as Michael Brody. His starring television roles included Lou Grant from 1981–1982 and Knots Landing in 1991. He has guest starred on St. Elsewhere, The Wonder Years, Party of Five, JAG, NYPD Blue, The X-Files, Becker, Life Goes On, House, and Jericho.