Robert Downey, Jr. (Tony Stark)
Gwyneth Paltrow (Pepper Potts)
Don Cheadle (Lt. Col. James 'Rhodey' Rhodes)
Samuel L. Jackson (Nick Fury)
Scarlett Johansson (Natalie Rushman/Black Widow)
Sam Rockwell (Justin Hammer)
Mickey Rourke (Ivan Vanko/Whiplash)
Garry Shandling (Senator Stern)
Paul Bettany (Jarvis)
Kate Mara (U.S. Marshal)
Leslie Bibb (Christine Everhart)
Jon Favreau (Happy Hogan)
Christiane Amanpour (Herself)
Philippe Bergeron (Detective Lemieux)
James Bethea (Security Force #1)
Michael Bruno (Security Force #2)
Katie Clark (Expo Fan)
Luminita Docan (Russian Newscaster)
Francois Duhamel (French Photographer)
Larry Ellison (Himself)
DJ A.M. (Himself)
Tim Guinee (Major Allen)
Eric L. Haney (General Meade)
Ali Khan (10 Rings Gangster)
Eugene Lazarev (Anton Vanko)
Stan Lee (Himself)
Isaiah Guyman Martin IV (AV Operator)
Helena Mattsson (Rebecca)
Keith Middlebrook (Expo Cop)
Anya Monzikova (Rebeka)
Margy Moore (Bambi Arbogast)
Olivia Munn (Chess Roberts)
Elon Musk (Himself)
Bill O'Reilly (Himself)
Alejandro Patino (Strawberry Vendor)
Davin Ransom (Young Tony Stark)
Karim Saleh (Guard)
Brian Schaeffer (Hammer Expo Tech)
Phillipe Simon (French Waiter)
Jack White (Jack)
Clark Gregg (Agent Coulson)
John Slattery (Howard Stark)