Scarlett Johansson Natasha Romanoff / Black Widow
Vin Diesel Groot (voice)
Samuel L. Jackson Nick Fury (uncredited)
Idris Elba Heimdall
Tom Holland Peter Parker / Spider-Man
Robert Downey Jr. Tony Stark / Iron Man
Zoe Saldaña Gamora
Chris Pratt Peter Quill / Star-Lord
Josh Brolin Thanos
Chris Hemsworth Thor
Benedict Cumberbatch Doctor Strange
Jon Favreau Executive Producer
Dave Bautista Drax
Karen Gillan Nebula
Elizabeth Olsen Wanda Maximoff / Scarlet Witch
Chris Evans Steve Rogers / Captain America
Bradley Cooper Rocket (voice)
Kerry Condon Friday (voice)
Anthony Mackie Sam Wilson / Falcon
Benicio del Toro The Collector
Peter Dinklage Eitri
Mark Ruffalo Bruce Banner / Hulk
Cobie Smulders Maria Hill (uncredited)
Paul Bettany Vision
Sebastian Stan Bucky Barnes / Winter Soldier
Tom Hiddleston Loki
Carrie Coon Proxima Midnight (voice)
Kenneth Branagh Asgardian Distress Call (voice) (uncredited)
Benedict Wong Wong
James Gunn Executive Producer, Additional Dialogue
Stan Lee Bus Driver, Executive Producer, Characters
Gwyneth Paltrow Pepper Potts
Pom Klementieff Mantis
Thomas M. Dangcil Lighting Technician
Don Cheadle James Rhodes / War Machine
Danai Gurira Okoye
William Hurt Secretary of State Thaddeus Ross
Nick Ray Harris Boom Operator
Jodi Michelle Pynn Stunts
Sarah Halley Finn Casting
Michael Craig Ferguson Drone Operator
Tara Feldstein Bennett Casting
Ariana Greenblatt Young Gamora
Jacob Batalon Ned
Hans Georg Struhar Costumer
Francisco X. Pérez Key Makeup Artist
Tom Vaughan-Lawlor Ebony Maw
Chadwick Boseman T'Challa / Black Panther
Kevin Feige Producer
Janeshia Adams-Ginyard Stunt Double
Page Rosenberg-Marvin Production Supervisor
K.C. Roballo Rigging Grip
Leslie A. Pope Set Decoration
Grady Allen Bishop Camera Car
Wayan Blue Palmieri Stereoscopic Editor
Letitia Wright Shuri
Kirk A. Jenkins Stunts
Michael J. Coo Key Grip
R Michael Sasser Rigging Grip
David M. Roberts Boom Operator
Anthony Russo Director
Sean Gunn On-Set Rocket
Ameenah Kaplan Gamora's Mother
Jonathan Irizarry Lighting Technician
Keil Oakley Zepernick Utility Stunts
Dan O'Connell Foley
Jack Kirby Characters, Comic Book
Bobby Holland Hanton Stunt Double
John Roesch Foley Artist
David Conk Utility Stunts
Joe Russo Director
Stephen McFeely Screenplay, Secretary Ross' Aide