Robert Downey

(Tony Stark/Iron Man)

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/Whiplash)

Samuel L. Jackson

(Nick Fury)

Clark Gregg

(Agent Coulson)

John Slattery

(Howard Stark)

Garry Shandling

(Sen. Stern)

Jon Favreau

(Happy Hogan)