Robert Downey Jr.

Tony Stark / Iron Man

Chris Evans

Steve Rogers / Captain America

Chris Hemsworth

Thor

Josh Brolin

Thanos

Mark Ruffalo

Bruce Banner / Hulk

Scarlett Johansson

Natasha Romanoff / Black Widow

Don Cheadle

James Rhodes / War Machine

Benedict Cumberbatch

Doctor Strange

Tom Holland

Peter Parker / Spider-Man

Chadwick Boseman

T'Challa / Black Panther

Zoe Saldaña

Gamora

Karen Gillan

Nebula

Tom Hiddleston

Loki

Paul Bettany

Vision

Elizabeth Olsen

Wanda Maximoff / Scarlet Witch

Anthony Mackie

Sam Wilson / Falcon

Sebastian Stan

Bucky Barnes / Winter Soldier

Idris Elba

Heimdall

Danai Gurira

Okoye

Peter Dinklage

Eitri

Benedict Wong

Wong

Pom Klementieff

Mantis

Dave Bautista

Drax

Vin Diesel

Groot (voice)

Bradley Cooper

Rocket (voice)

Chris Pratt

Peter Quill / Star-Lord

Gwyneth Paltrow

Pepper Potts

Benicio del Toro

The Collector

Sean Gunn

On-Set Rocket

William Hurt

Secretary of State Thaddeus Ross

Letitia Wright

Shuri

Terry Notary

Cull Obsidian / On-Set Groot

Tom Vaughan-Lawlor

Ebony Maw

Carrie Coon

Proxima Midnight (voice)

Michael James Shaw

Corvus Glaive

Stan Lee

Bus Driver

Winston Duke

M'Baku

Florence Kasumba

Ayo

Kerry Condon

Friday (voice)

Monique Ganderton

On-Set Proxima Midnight

Jacob Batalon

Ned

Tiffany Espensen

Cindy

Isabella Amara

Sally

Ethan Dizon

Tiny

Ariana Greenblatt

Young Gamora

Ameenah Kaplan

Gamora's Mother

Ross Marquand

Red Skull (Stonekeeper)

Michael Anthony Rogers

Secretary Ross' Aide

Stephen McFeely

Secretary Ross' Aide

Aaron Lazar

Doctor Strange Double

Robert Pralgo

Thanos Reader

Olaniyan Thurmon

Teenage Groot Reader

Blair Jasin

Street Pedestrian #1

Matthew Zuk

Street Pedestrian #2

Laura Miller

Scottish News (STV) Reporter

Kenneth Branagh

Asgardian Distress Call (voice) (uncredited)

Samuel L. Jackson

Nick Fury (uncredited)

Cobie Smulders

Maria Hill (uncredited)

Harrison Osterfield

Boy on Bus (uncredited)

Gary Peebles

Kingsguard (uncredited)

Marija Abney

Dora Milaje (uncredited)

Zola Williams

Dora Milaje (uncredited)

Marie Mouroum

Dora Milaje (uncredited)

James Siderits

NYC Pedestrian (uncredited)

Precious Jenkins

Border Tribe Warrior (uncredited)

Bobby James

Border Tribe Warrior (uncredited)

Lady Cardinal

Street Pedestrian #3 (uncredited)

Tanya Wheelock

Washington Square Park Waitress (uncredited)

Robert Tinsley

Sanitation Worker (uncredited)