Rick Dalton is a fictional character from the film Once Upon a Time in Hollywood, directed by Quentin Tarantino. He is portrayed by actor Leonardo DiCaprio and is depicted as a struggling actor in the late 1960s. Rick is known for his roles in popular television westerns, but he faces challenges as the film industry evolves. Throughout the movie, Rick navigates his career alongside his close friend and stunt double, Cliff Booth, played by Brad Pitt. The story explores themes of friendship, fame, and the changing landscape of Hollywood during a transformative period in cinema history.