Lance R. Guest (born July 21, 1960) is an American film and television actor.Guest developed a serious interest in acting in the ninth grade while attending Saratoga High School, 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 in Halloween 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. In 2000, Guest played Cosmo Cola in Stepsister from Planet Weird. In 2001, he played Hugo Archibald in The Jennie Project. Also that year, he appeared in Mach 2. Wikipedia