Scarlett Johansson Natasha Romanoff / Black Widow
Robert Downey Jr. Tony Stark / Iron Man
Chris Hemsworth Thor
Mark Ruffalo Bruce Banner / The Hulk
Samuel L. Jackson Nick Fury
Jeremy Renner Clint Barton / Hawkeye
Lou Ferrigno The Hulk (voice) (uncredited)
Jamie McShane Celebration Montage Interviewee
Warren Kole Carrier Bridge Tech
Cobie Smulders Agent Maria Hill
Zak Penn Story
Tom Hiddleston Loki
Jon Favreau Executive Producer
David D. Baumann Armorer
Chris Evans Steve Rogers / Captain America
Ashley Johnson Waitress
Paul Bettany Jarvis (voice)
Sarah Halley Finn Casting
Gwyneth Paltrow Pepper Potts
Stuart Gordon Tribble Costumer
James Eckhouse Senator Boynton
Steve Jung Conceptual Design
Stellan Skarsgård Selvig
Stan Lee Stan Lee, Executive Producer, Comic Book
Jenny Agutter World Security Council
Paul Lacovara Stunt Double
Bill O'Leary Gaffer
Tim Connolly Utility Stunts
Avi Arad Executive Producer
Karina Benesh Visual Effects Coordinator
Donna Evans Utility Stunts, Stunts
Mike Gunther Utility Stunts
Kevin Cross 3D Artist
Clay Cullen Stunt Double
Greg Papalia Set Designer
Walter Perez Young Shield Pilot
Mike D. Fernandez Electrician
Louise Young Makeup Artist
Kevin Feige Producer
Kyrsten Mate Sound Effects Editor
Kevin LaRosa Jr. Pilot
Alicia Sixtos Carrier Bridge Tech
Powers Boothe World Security Council
Steve Upton Utility Stunts
Kevin Kirkpatrick Prosthetic Makeup Artist
Heba Thorisdottir Makeup Artist
Romy Rosemont Shawna Lynde
Maryellen Aviano Extras Casting Coordinator
Clark Gregg Agent Phil Coulson
Chris Brigham Executive Producer
Louis D'Esposito Executive Producer
Jack Kirby Characters, Comic Book
Kenneth Tigar German Old Man
Joss Whedon Screenplay, Story, Director
Tony Rivetti Sr. First Assistant "A" Camera
Donald Li World Security Council
Joey Freitas Stunts
Trevor Carroll-Coe Camera Loader
Anthony Molinari Stunt Double
Mark Goellnicht Steadicam Operator
William-Christopher Stephens Celebration Montage Interviewee
Robert Clohessy Police Sergeant
Jeremy Fitzgerald Utility Stunts
Alan Silvestri Original Music Composer
John W. Murphy Dolly Grip
Aura Sperling Pierce Set Costumer, Costumer
Linda Perlin Stunts
Fabian Lacey Conceptual Illustrator
Enver Gjokaj Young Cop
Don Burgess Additional Photography
Kris Krosskove Camera Operator
Victoria Alonso Executive Producer