Iron Man 2, starring Robert Downey Jr., Scarlett Johansson, Samuel L. Jackson, Mickey Rourke, Gwyneth Paltrow, Sam Rockwell, Don Cheadle, and Jon Favreau.
Robert Downey Jr. has battled substance abuse problems for most of his life. But the actor's craft has never suffered. His talent has shown through in films such as Soapdish, Wonder Boys and Iron Man.