Starring Robert Downey Jr., Chris Hemsworth, Mark Ruffalo, Chris Evans, Scarlett Johansson, Jeremy Renner, James Spader, Samuel L. Jackson, Don Cheadle, Aaron Taylor-Johnson, Elizabeth Olsen, Paul Bettany, Cobie Smulders, Claudia Kim, Linda Cardellini, Thomas Kretschmann, Andy Serkis Directed by