Scarlett Johansson Natasha Romanoff / Black Widow
Robert Downey Jr. Tony Stark / Iron Man
Chris Evans Steve Rogers / Captain America
Samuel L. Jackson Nick Fury
Chris Hemsworth Thor
Josh Brolin Thanos (uncredited)
Anthony Mackie Sam Wilson / The Falcon
Elizabeth Olsen Wanda Maximoff / Scarlet Witch
Idris Elba Heimdall
Jeremy Renner Clint Barton / Hawkeye
Jon Favreau Executive Producer
Linda Cardellini Laura Barton
Mark Ruffalo Bruce Banner / Hulk
James Spader Ultron (voice)
Paul Bettany Jarvis / Vision
Stellan Skarsgård Erik Selvig
Andy Serkis Ulysses Klaue
Cobie Smulders Maria Hill
Hayley Atwell Peggy Carter
Hayao Miyazaki Thanks
Kerry Condon Friday (voice)
Don Cheadle James Rhodes / War Machine
Aaron Taylor-Johnson Pietro Maximoff / Quicksilver
Stan Lee Comic Book, Stan Lee, Executive Producer
Kevin Feige Producer
Thomas Kretschmann Strucker
Lou Ferrigno Hulk (voice) (uncredited)
Joss Whedon Writer, Director
Julie Delpy Madame B
Jack Kirby Comic Book, Characters
Danny Elfman Original Music Composer
Louis D'Esposito Executive Producer
Brian Tyler Original Music Composer
Henry Goodman Dr. List
Joe Simon Characters
Claudia Kim Dr. Helen Cho
Jim Starlin Characters
Eun Hee-soo Sound Engineer
Bentley Kalu Klaue's Mercenary
Heidi Moneymaker Stunt Double
Christopher Boyes Sound Re-Recording Mixer, Supervising Sound Editor
Aaron Himelstein Specialist Cameron Klein
Mily Moreno Assistant Art Director
Tariq Anam Khan Production Supervisor
Sarah Halley Finn Casting
Greg Powell Stunt Coordinator
Chris Palermo Stunt Driver
Ben Davis Director of Photography
Levan Doran Stunts
Charles Wood Production Design
Annabel Wood Stunts
Alexandra Byrne Costume Designer
Vincent Cirelli Visual Effects Supervisor
Victoria Alonso Executive Producer
Chris Lyons Special Effects Makeup Artist
Julian Morson "A" Camera Operator, Steadicam Operator
Alex Grace Costume Assistant
Jeremy Woodhead Hair Designer, Makeup Designer
Ingvild Deila World Hub Tech
Sarah Young Assistant Costume Designer
Richard Roberts Set Decoration
Isaac Andrews Costel
Julian Bleach Ballet Instructor
Jason Her TV News Anchor (uncredited)
Bryan Andrews Storyboard Artist
Jeffrey Ford Editor, Associate Producer
David Acord Sound Designer
Gary Summers Sound Re-Recording Mixer
Bobby Holland Hanton Stunt Double
Hans Lam Barboza Assistant Set Propsman
Alma Noce Sokovian Family
Erol Mehmet Stunts