Leonardo DiCaprio: Leonardo DiCaprio. Actor: Inception. Few actors in the world have had a career quite as diverse as Leonardo DiCaprio's. DiCaprio has gone from relatively humble beginnings, as a supporting cast member of the sitcom Growing Pains (1985) and low budget horror movies, such as Critters 3 (1991), to a major teenage heartthrob in the 1990s, as the hunky lead actor in movies such as Romeo + Juliet (1996) and Titanic...