Oyuncular

• Robert Downey Jr. — Tony Stark
• Gwyneth Paltrow — Pepper Potts
• Don Cheadle — Lt. Col. James "Rhodey" Rhodes
• Scarlett Johansson — Natalie Rushman / Natasha Romanoff
• Sam Rockwell — Justin Hammer
• Mickey Rourke — Ivan Vanko
• Samuel L. Jackson — Nick Fury
• Clark Gregg — Agent Coulson
• John Slattery — Howard Stark
• 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
• Kate Clark — Expo Fan
• Luminita Docan — Russian Newscaster
• François Duhamel — French Photographer
• Larry Ellison — Himself
• DJ AM — 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 Stein — 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