Scarlett Johansson Natasha Romanoff / Black Widow
Samuel L. Jackson Nick Fury
Idris Elba Heimdall
Robert Downey Jr. Tony Stark / Iron Man
Linda Cardellini Laura Barton
Josh Brolin Thanos (uncredited)
Chris Hemsworth Thor
James Spader Ultron (voice)
Jon Favreau Executive Producer
Hayao Miyazaki Thanks
Aaron Taylor-Johnson Pietro Maximoff / Quicksilver
Hayley Atwell Peggy Carter
Andy Serkis Ulysses Klaue
Chris Evans Steve Rogers / Captain America
Anthony Mackie Sam Wilson / The Falcon
Mark Ruffalo Bruce Banner / Hulk
Elizabeth Olsen Wanda Maximoff / Scarlet Witch
Jeremy Renner Clint Barton / Hawkeye
Cobie Smulders Maria Hill
Stellan Skarsgård Erik Selvig
Paul Bettany Jarvis / Vision
Kerry Condon Friday (voice)
Stan Lee Comic Book, Stan Lee, Executive Producer
Don Cheadle James Rhodes / War Machine
Sarah Halley Finn Casting
Katherine Renee Jones Visual Effects Supervisor
Terry Madden First Assistant Director
Reg Poerscout-Edgerton Casting
Chris O'Connell Compositors
Kevin Feige Producer
Josh Dyer Stunt Double
Thomas Kretschmann Strucker
Anna De Santis Hairstylist
Gary Summers Sound Re-Recording Mixer
Sze Jia Eng Visual Effects Coordinator
Phil Culotta Stunts
Claudia Kim Dr. Helen Cho
Claudio Del Gobbo Key Grip
Sanchari Chowdhury-Kesler Production Manager
Julie Delpy Madame B
Joss Whedon Writer, Director
Jack Kirby Comic Book, Characters
Bobby Holland Hanton Stunt Double
Marie Rheinschild-Jordan Visual Effects Producer
Danny Elfman Original Music Composer
Lebo "Boo" Motjuoadi Production Coordinator
Chanida 'Chompoo' Yasiri Production Coordinator
Louis D'Esposito Executive Producer
Nicola Matthews Makeup & Hair
Zarene Dallas Stunt Double
Stefano De Nardis Costume Supervisor
Lisa Curtis Saunders Software Engineer
Mike Mulholland Visual Effects Supervisor
David Cozens First Assistant "A" Camera
Julian Bleach Ballet Instructor
Lou Ferrigno Hulk (voice) (uncredited)
Gary Alan Hawker Armorer
Christopher H. Sipes Electrician
Priyal Mahadik Stereoscopic Editor
Rhys Ifan Assistant Art Director
Paul Norris Digital Compositor
Simone Kraus Townsend Animation Supervisor
Heidi Moneymaker Stunt Double
Katy Wood ADR Supervisor
Chad Wiebe Visual Effects Supervisor
Mark Webb Visual Effects Production Manager
Jim Starlin Characters
Loulia Sheppard Hairstylist
Joe Simon Characters
Dave Jordan Music Supervisor
Chris Lyons Special Effects Makeup Artist
Francesca Iamundo Hairstylist