Robert Downey Jr. What’s your Reaction? +1 0 +1 0 +1 0 +1 0 +1 0 Facebook Twitter Email Robert John Downey Jr. is an American actor. His career has included critical and popular success in his youth, followed by a period of substance abuse and legal troubles, and a resurgence of commercial success in middle age. Tweets by RobertDowneyJr [instagram-feed id=”1518284433″]