Vincent Lauria is a fictional character from the 1988 film Rain Man. He is portrayed by actor Tom Cruise and is the younger brother of Raymond Babbitt, played by Dustin Hoffman. Vincent is a self-centered and ambitious man who initially seeks to gain access to his brother's inheritance, unaware of Raymond's unique abilities. Throughout the film, Vincent's character undergoes significant development as he learns to appreciate his brother's extraordinary talents and the bond they share. The story highlights themes of family, responsibility, and personal growth, ultimately showcasing the transformative power of their relationship.