Scarlett Johansson Natasha Romanoff / Black Widow
Robert Downey Jr. Tony Stark / Iron Man
Samuel L. Jackson Nick Fury
Chris Evans Steve Rogers / Captain America
Chris Hemsworth Thor
Jon Favreau Executive Producer
Jeremy Renner Clint Barton / Hawkeye
Mark Ruffalo Bruce Banner / The Hulk
Cobie Smulders Agent Maria Hill
Ashley Johnson Waitress
Stellan Skarsgård Selvig
Tom Hiddleston Loki
Paul Bettany Jarvis (voice)
Gwyneth Paltrow Pepper Potts
Stan Lee Stan Lee, Executive Producer, Comic Book
Alicia Sixtos Carrier Bridge Tech
Jenny Agutter World Security Council
Kevin Feige Producer
Jesse Garcia Carrier Bridge Techs
Jamie McShane Celebration Montage Interviewee
Clark Gregg Agent Phil Coulson
Powers Boothe World Security Council
Anthony Molinari Stunt Double
Robert Clohessy Police Sergeant
Harry Dean Stanton Security Guard
Warren Kole Carrier Bridge Tech
Lou Ferrigno The Hulk (voice) (uncredited)
Joss Whedon Screenplay, Story, Director
Louis D'Esposito Executive Producer
Enver Gjokaj Young Cop
Alan Silvestri Original Music Composer
Jack Kirby Characters, Comic Book
Maximiliano Hernández Agent Jasper Sitwell
Romy Rosemont Shawna Lynde
Donna Evans Utility Stunts, Stunts
Alexis Denisof The Other
Heidi Moneymaker Stunt Double
Sam Hargrave Stunt Double
Christopher Boyes Sound Re-Recording Mixer, Sound Designer
James Eckhouse Senator Boynton
Seamus McGarvey Director of Photography
Troy Robinson Utility Stunts
Hank Amos Shield Agent (uncredited), Stunt Coordinator
Tina Grimm NYC Pedestrian (uncredited)
Sarah Halley Finn Casting
Avi Arad Executive Producer
Damion Poitier Man #1
Jon Valera Utility Stunts
Joe Simon Characters
Josh Cowdery Maintenance Guy
Clay Cullen Stunt Double
Becky Sullivan Supervising ADR Editor
Layla Cushman Gala Guest (uncredited)
Jeff Wolfe Tall Thug
Kenneth Tigar German Old Man
Johnny Gidcomb ADR Voice Casting
Mayank Bhatter Celebration Montage Man Shaving Beard (uncredited)
Kylie Furneaux Stunt Double
Lora Hirschberg Sound Re-Recording Mixer
Zak Penn Story
Alexandra Byrne Costume Design
Tim Trella Stunts
Tina Benko NASA Scientist
Walter Perez Young Shield Pilot
Gabriel Beristain Additional Photography
Don Burgess Additional Photography
Clay Donahue Fontenot Stunt Double
Jonathan Eusebio Fight Choreographer
Nancy Bishop Casting
Victoria Alonso Executive Producer
Al Cerullo Pilot
Samantha MacIvor Stunt Double