It tells the story of abrasive, selfish young wheeler-dealer Charlie Babbitt ( Tom Cruise), who discovers that his estranged father has died and bequeathed virtually all of his multimillion-dollar estate to his other son, Raymond ( Dustin Hoffman), an autistic savant, of whose existence Charlie was unaware. Rain Man is a 1988 American road comedy- drama film directed by Barry Levinson and written by Barry Morrow and Ronald Bass.