Mark Ruffalo
Bruce Banner / Hulk
Julie Delpy
Madame B
Scarlett Johansson
Natasha Romanoff / Black Widow
Andy Serkis
Ulysses Klaue
Stellan Skarsgård
Erik Selvig
Linda Cardellini
Laura Barton
Don Cheadle
James 'Rhodey' Rhodes / War Machine
Samuel L. Jackson
Nick Fury
Robert Downey Jr.
Tony Stark / Iron Man
Thomas Kretschmann
Baron Wolfgang von Strucker
Julia Krynke
Sokovian Driver
Paul Bettany
Jarvis / Vision
Henry Goodman
Dr. List
Stan Lee
Stan Lee
James Spader
Ultron (voice)
Chris Evans
Steve Rogers / Captain America
Josh Brolin
Thanos (uncredited)
Jeremy Renner
Clint Barton / Hawkeye
Idris Elba
Heimdall
Lou Ferrigno
Hulk (voice) (uncredited)
Aaron Taylor-Johnson
Pietro Maximoff / Quicksilver
Julian Bleach
Ballet Instructor
Hayley Atwell
Peggy Carter
Aaron Himelstein
Specialist Cameron Klein
Anthony Mackie
Sam Wilson / The Falcon
Kerry Condon
Friday (voice)
Cobie Smulders
Maria Hill
Chris Hemsworth
Thor Odinson
Elizabeth Olsen
Wanda Maximoff / Scarlet Witch
Barry Aird
Sokovian Police Captain
Vuyo Dabula
Johannesburg Cop
Dominique Provost-Chalkley
Zrinka
Isaac Andrews
Costel
Brian Schaeffer
Strucker Mercenary
Nondumiso Tembe
Johannesburg Driver
Claudia Kim
Dr. Helen Cho
Isabella Poynton
Lila Barton
Arthur Lee
Korean Train Passenger
Bentley Kalu
Klaue's Mercenary
Ingvild Deila
World Hub Tech
Earl T. Kim
Korean Train Passenger
Antony Acheampong
Johannesburg Elevator Passenger
Chris Luca
Fortress Soldier
Alma Noce
Sokovian Family
Gareth Kieran Jones
Sokovian Acid Student
Chan Woo Lim
Dr. Cho's Assistant
Minhee Yeo
Dr. Cho's Assistant
Mandla Gaduka
Johannesburg Onlooker
Chioma Anyanwu
Johannesburg Elevator Passenger
Kabelo Thai
Johannesburg Onlooker
Ben Sakamoto
Cooper Barton
Sunny Yeo
Korean Train Passenger
Namju Go
Korean Train Passenger
Mina Kweon
Korean Train Passenger
Verity Hewlett
Sokovian Family
Michael Matovski
Sokovian Family
Constanza Ruff
Sokovian Woman
Monty Mclaren-Clark
Tub Family Child
Ian Kay
Sokovian SUV Passenger
Jaiden Stafford
Nathaniel Pietro Barton
Tony Christian
Sokovian SUV Driver