Scarlett Johansson Natasha Romanoff / Black Widow
Robert Downey Jr. Tony Stark / Iron Man
Idris Elba Heimdall
Elizabeth Olsen Wanda Maximoff / Scarlet Witch
Stellan Skarsgård Erik Selvig
Samuel L. Jackson Nick Fury
Chris Evans Steve Rogers / Captain America
Mark Ruffalo Bruce Banner / Hulk
Josh Brolin Thanos (uncredited)
James Spader Ultron (voice)
Aaron Taylor-Johnson Pietro Maximoff / Quicksilver
Chris Hemsworth Thor
Linda Cardellini Laura Barton
Hayao Miyazaki Thanks
Cobie Smulders Maria Hill
Anthony Mackie Sam Wilson / The Falcon
Kerry Condon Friday (voice)
Hayley Atwell Peggy Carter
Paul Bettany Jarvis / Vision
Jeremy Renner Clint Barton / Hawkeye
Jon Favreau Executive Producer
Don Cheadle James Rhodes / War Machine
Andy Serkis Ulysses Klaue
Greg Powell Stunt Coordinator
Stan Lee Stan Lee, Executive Producer, Comic Book
Julie Delpy Madame B
Joss Whedon Writer, Director
Lou Ferrigno Hulk (voice) (uncredited)
Rodney Fuentebella Conceptual Illustrator
Thomas Kretschmann Strucker
Claudia Kim Dr. Helen Cho
Kevin Feige Producer
Henry Goodman Dr. List
Louis D'Esposito Executive Producer
Danny Elfman Original Music Composer
Isaac Andrews Costel
Jack Kirby Comic Book, Characters
Bentley Kalu Klaue's Mercenary
Jim Starlin Characters
Tamara Hunter Casting Associate
Lee Ji-seung Line Producer
Alex Rouse Wigmaker
Vuyo Dabula Johannesburg Cop
Nik Kacevski CG Artist
Julia Krynke Sokovian Driver
Robert Alonzo Stunts
Alma Noce Sokovian Family
Dan Grace Costume Supervisor
Martin Ivanov Stunt Driver
Simon Carr Visual Effects Supervisor
Brian Tyler Original Music Composer
Olivia Jackson Stunt Double
Rocco Passionino Visual Effects Supervisor
Phil Culotta Stunts
Hal Couzens Visual Effects Producer
Tariq Anam Khan Production Supervisor
Lisa Lassek Editor
Christopher Boyes Supervising Sound Editor, Sound Re-Recording Mixer
David Acord Sound Designer
Teo Lee Assistant Camera
Ben Davis Director of Photography
Jason Sanford Visual Effects Producer
Sarah Halley Finn Casting
Ben Snow Visual Effects Supervisor
Heidi Moneymaker Stunt Double
Christopher Beasley Johannesburg Cop
Dave Jordan Music Supervisor
Aaron Himelstein Specialist Cameron Klein
Jonathan Cheetham Compositing Supervisor
Adrian Rigby Prosthetic Makeup Artist
Jeanie King Executive Visual Effects Producer
Christine Beveridge Hair Designer