Find out about his film debut at age five playing a puppy in one of his father's cult underground films, his attempt at becoming a comedian during his ill-fated stint on comedy show Saturday Night Live, how he burst onto the scene with his moving performance in Less than Zero and how he charmed Hollywood with his Oscar nominated turn as troubled funny man Charlie Chaplin. With a life that has had more twists and turns than the plots of some of his acclaimed movies - Robert Downey Jr's journey from hell-raiser to Hollywood royalty - is a shocking, moving, funny, and inspirational one.