Robert Downey Jr.
Tony Stark / Iron Man
Mark Ruffalo
Bruce Banner / Hulk
Chris Evans
Steve Rogers / Captain America
Scarlett Johansson
Natasha Romanoff / Black Widow
Jeremy Renner
Clint Barton / Hawkeye
James Spader
Ultron (voice)
Samuel L. Jackson
Nick Fury
Don Cheadle
James Rhodes / War Machine
Aaron Taylor-Johnson
Pietro Maximoff / Quicksilver
Elizabeth Olsen
Wanda Maximoff / Scarlet Witch
Paul Bettany
Jarvis / Vision
Anthony Mackie
Sam Wilson / The Falcon
Hayley Atwell
Peggy Carter
Linda Cardellini
Laura Barton
Stellan Skarsgård
Erik Selvig
Thomas Kretschmann
Strucker
Chris Luca
Fortress Soldier
Brian Schaeffer
Strucker Mercenary
Dominique Provost-Chalkley
Zrinka
Gareth Kieran Jones
Sokovian Acid Student
Chan Woo Lim
Dr. Cho's Assistant
Minhee Yeo
Dr. Cho's Assistant
Bentley Kalu
Klaue's Mercenary
Julian Bleach
Ballet Instructor
Christopher Beasley
Johannesburg Cop
Vuyo Dabula
Johannesburg Cop
Nondumiso Tembe
Johannesburg Driver
Kabelo Thai
Johannesburg Onlooker
Lele Ledwaba
Johannesburg Onlooker
Mandla Gaduka
Johannesburg Onlooker
Harriet Manamela
Johannesburg Onlooker
Beulah Hashe
Johannesburg Onlooker
Musca Kumalo
Johannesburg Onlooker
Mathapelo September
Johannesburg Onlooker
Antony Acheampong
Johannesburg Elevator Passenger
Chioma Anyanwu
Johannesburg Elevator Passenger
Ben Sakamoto
Cooper Barton
Imogen Poynton
Lila Barton
Isabella Poynton
Lila Barton
Ingvild Deila
World Hub Tech
Sunny Yeo
Korean Train Passenger
Namju Go
Korean Train Passenger
Mina Kweon
Korean Train Passenger
Earl T. Kim
Korean Train Passenger
Arthur Lee
Korean Train Passenger
Verity Hewlett
Sokovian Family
Michael Matovski
Sokovian Family
Riccardo Richetta
Sokovian Family
Constanza Ruff
Sokovian Woman
Monty Mclaren-Clark
Tub Family Child
Julia Krynke
Sokovian Driver
Tony Christian
Sokovian SUV Driver
Ian Kay
Sokovian SUV Passenger
Barry Aird
Sokovian Police Captain
Aaron Himelstein
Specialist Cameron Klein
Kerry Condon
Friday (voice)
Jaiden Stafford
Nathaniel Pietro Barton
Josh Brolin
Thanos (uncredited)
Robert J. Fraser
Youth (uncredited)
Lou Ferrigno
Hulk (voice) (uncredited)
Zakk Pierce
Sokovian Boy (uncredited)