Scarlett Johansson Natasha Romanoff / Black Widow
Robert Downey Jr. Tony Stark / Iron Man
Chris Evans Steve Rogers / Captain America
Chris Hemsworth Thor
Samuel L. Jackson Nick Fury
Mark Ruffalo Bruce Banner / The Hulk
Ashley Johnson Waitress
Chris Brigham Executive Producer
Stan Lee Stan Lee, Executive Producer, Comic Book
Tom Hiddleston Loki
Gwyneth Paltrow Pepper Potts
Paul Bettany Jarvis (voice)
Stellan Skarsgård Selvig
Jamie McShane Celebration Montage Interviewee
Cobie Smulders Agent Maria Hill
Jenny Agutter World Security Council
David D. Baumann Armorer
Jeremy Renner Clint Barton / Hawkeye
Seamus McGarvey Director of Photography
Jon Favreau Executive Producer
R.A. Rondell Stunt Coordinator
Clark Gregg Agent Phil Coulson
Stephen Broussard Thanks
Warren Kole Carrier Bridge Tech
Harry Dean Stanton Security Guard
Ousaun Elam Stunt Double
Stephen King Lead Animator
Joss Whedon Screenplay, Story, Director
Don Burgess Additional Photography
Tim Trella Stunts
Pat Kiernan Pat Kiernan
Jesse García Carrier Bridge Techs
Rick Shuster Pilot
Mitch Dubin Camera Operator
Matthew LeFevour Stunt Double
Damion Poitier Man #1
Nancy Bishop Casting
Lou Ferrigno The Hulk (voice) (uncredited)
Arthur Darbinyan World Security Council
Gabriel Beristain Additional Photography
Kris Krosskove Camera Operator
Frank Powers Shield Agent - Loki Escort (uncredited)
Josh Cowdery Maintenance Guy
Tina Benko NASA Scientist
Mike Gunther Utility Stunts
Sam Hargrave Stunt Double
Powers Boothe World Security Council
Kevin Feige Producer
Martin Palmer Shiel Employee (uncredited)
Hans Bjerno Camera Operator
Avi Arad Executive Producer
Linda Perlin Stunts
Brent McGee Faceless Pilot
Alex Chansky Stunt Double
Jason Bedig Leadman
Romy Rosemont Shawna Lynde
Matt McDonald Visual Effects Supervisor
Clay Cullen Stunt Double
Jason Botsford Museum Gala Patron (uncredited)
Iain McCaig Concept Artist
Matthew Haskins Second Assistant "C" Camera
James R. Tynes Gaffer
Jack Kirby Characters, Comic Book
Nathaniel Caauwe Rotoscoping Artist
James Eckhouse Senator Boynton
Kyrsten Mate Sound Effects Editor
Andy Dylan Stunt Double
Donna Evans Stunts, Utility Stunts
Jimi Johnson Video Assist Operator
Donald Li World Security Council
Alexis Denisof The Other
Hank Amos Shield Agent (uncredited), Stunt Coordinator