Scarlett Johansson Natasha Romanoff / Black Widow
Robert Downey Jr. Tony Stark / Iron Man
Samuel L. Jackson Nick Fury
Chris Evans Steve Rogers / Captain America
Mark Ruffalo Bruce Banner / The Hulk
Chris Hemsworth Thor
Paul Bettany Jarvis (voice)
Jenny Agutter World Security Council
Ashley Johnson Waitress
Tom Hiddleston Loki
Stan Lee Stan Lee, Executive Producer, Comic Book
Powers Boothe World Security Council
Cobie Smulders Agent Maria Hill
Jeremy Renner Clint Barton / Hawkeye
Stellan Skarsgård Selvig
Harry Dean Stanton Security Guard
Gwyneth Paltrow Pepper Potts
Lou Ferrigno The Hulk (voice) (uncredited)
Jamie McShane Celebration Montage Interviewee
Jon Favreau Executive Producer
Robert Clohessy Police Sergeant
Maximiliano Hernández Agent Jasper Sitwell
Enver Gjokaj Young Cop
Warren Kole Carrier Bridge Tech
Clark Gregg Agent Phil Coulson
Joss Whedon Screenplay, Story, Director
Louis D'Esposito Executive Producer
Damion Poitier Man #1
Jesse Garcia Carrier Bridge Techs
Kevin Feige Producer
Jeff Wolfe Tall Thug
Jack Kirby Characters, Comic Book
Kenneth Tigar German Old Man
Andy Park Conceptual Illustrator
Alexis Denisof The Other
Zak Penn Story
Gabriel Beristain Additional Photography
Joe Simon Characters
Jake Morrison Visual Effects Supervisor
Heidi Moneymaker Stunt Double
Layla Cushman Gala Guest (uncredited)
Jackson Sze Conceptual Illustrator
Sarah Halley Finn Casting
Jeffrey Ford Editor
Troy Brown Stunts
James Eckhouse Senator Boynton
Sam Hargrave Stunt Double
Rhonney Greene Costume Supervisor
David Hugghins Utility Stunts
R.A. Rondell Stunt Coordinator
Alan Silvestri Original Music Composer
Annie Ellis Stunts
Anthony Molinari Stunt Double
Walter Perez Young Shield Pilot
William-Christopher Stephens Celebration Montage Interviewee
Jerzy Skolimowski Georgi Luchkov
Teresa Eckton Sound Effects Editor
Kelley Robins Hicks Celebration Montage Interviewee
Alan Fine Executive Producer
Nancy Bishop Casting
Romy Rosemont Shawna Lynde
Avi Arad Executive Producer
Lora Hirschberg Sound Re-Recording Mixer
Matt Leonard Utility Stunts
Linda Perlin Stunts
Clay Cullen Stunt Double
Mayank Bhatter Celebration Montage Man Shaving Beard (uncredited)
Lars P. Winther First Assistant Director
Jaime Powers Shield Agent (uncredited)
Jon Valera Utility Stunts
Bryan Andrews Storyboard Artist
Craig Kyle Thanks