There are all kinds of superheroes. Some we love in movies, and some we find in real life. Robert Downey Jr. has been both kinds. He has won the hearts of moviegoers as the invincible Iron Man, but only after defeating the true villain in his life, a career-threatening drug addiction. Journey with Downey through his stellar career and personal life, from acting in his father's films at age five through his Oscar-nominated role playing the great Charlie Chaplin and beyond. You'll be amazed by this heroic actor, whose inner character is stronger than iron.