Robert Downey Jr.

Tony Stark

Gwyneth Paltrow

Pepper Potts

Don Cheadle

Colonel James Rhodes

Guy Pearce

Aldrich Killian

Rebecca Hall

Maya Hansen

Jon Favreau

Happy Hogan

Ben Kingsley

Trevor Slattery

James Badge Dale

Savin

Stephanie Szostak

Brandt

Paul Bettany

Jarvis (voice)

William Sadler

President Ellis

Dale Dickey

Mrs. Davis

Ty Simpkins

Harley Keener

Miguel Ferrer

Vice President Rodriguez

Wang Xueqi

Doctor Wu