What If...?

Jeffrey Wright

The Watcher (voice) / Uatu / The Watcher (voice)

David Dastmalchian

Kurt

Dominic Cooper

Howard Stark

Jeff Goldblum

Grandmaster

Josh Brolin

Thanos

Michael Douglas

Ant-Man / Dr. Hank Pym

Michael Rooker

Yondu Udonta

Natalie Portman

Jane Foster

Neal McDonough

Dum Dum Dugan

Sean Gunn

Kraglin

Stanley Tucci

Dr. Abraham Erskine

Taika Waititi

Korg

Unknown

Korath

Hayley Atwell

Peggy Carter

Karen Gillan

Nebula

Mark Ruffalo

Hulk / Bruce Banner

Michael B. Jordan

Erik Killmonger

Sebastian Stan

Winter Soldier / Bucky Barnes

Frank Grillo

Brock Rumlow / Crossbones

Jeremy Renner

Clint Barton / Hawkeye

Toby Jones

Arnim Zola

Tom Hiddleston

Loki

Samuel L. Jackson

Nick Fury

Terri Douglas

Additional Voices (voice)

Matthew Wood

Additional Voices (voice)

Fred Tatasciore

Additional Voices (voice) / Drax / Corvus Glaive (voice) / Groot (voice) / Volstagg / Drax / Additional Voices (voice)

Robin Atkin Downes

Additional Voices (voice)

Debra Wilson

Additional Voices (voice)

Shelby Young

Additional Voices (voice)

Piotr Michael

Additional Voices (voice) / General Dreykov (voice)

Dave B. Mitchell

Additional Voices (voice)

Helen Sadler

Additional Voices (voice)

Josh Keaton

Skinny Steve Rogers (voice) / Steve Rogers (voice) / Steve Rogers / Captain America (voice) / Steve Rogers / Rogers Hood (voice) / Steve Rogers / The Hydra Stomper (voice)

Mick Wingert

Tony Stark (voice) / Tony Stark / Iron Man (voice)

Kari Wahlgren

Additional Voices (voice) / Carina (voice) / Melina Vostkoff (voice)

Benedict Cumberbatch

Doctor Strange (voice) / Doctor Strange / Strange Supreme (voice) / Doctor Strange / Strange-Supreme (voice) / Strange Supreme / Demon Strange (voice)

Michael Ralph

Additional Voices (voice)

Lake Bell

Natasha Romanoff (voice) / Natasha Romanoff / Black Widow (voice)

Chris Hemsworth

King Thor Odinson (voice) / Thor (voice)

Ross Marquand

Infinity Ultron (voice) / Johann Schmidt / Red Skull (voice) / Ultron (voice) / Ultron / Sub-Ultron Sentries (voice) / Werner (voice)

Seth Green

Howard the Duck (voice)

Jon Favreau

Happy Hogan (voice) / Happy Hogan / Happy 'The Freak' Hogan (voice) / Happy Hogan / Zombie Happy (voice) / Sir Harold 'The Happy' Hogan / Happy 'The Freak' Hogan (voice)

Chadwick Boseman

Star Lord T'Challa (voice) / T'Challa / Black Panther (voice)

Kat Dennings

Darcy (voice) / Darcy Lewis (voice)

June Christopher

Additional Voices (voice)

Alexandra Daniels

Carol Danvers / Captain Marvel (voice)

Arthur Ortiz

Additional Voices (voice)

David W. Collins

Additional Voices (voice)

Secunda Wood

Additional Voices (voice)

Andrew Morgado

Additional Voices (voice) / Laufey (voice)

Tom Vaughan-Lawlor

Ebony Maw (voice)

Matthew Yang King

Additional Voices (voice)

Danai Gurira

Okoye (voice)

Clark Gregg

Agent Coulson (voice) / Agent Phil Coulson (voice)

Rachel House

Topaz (voice)

Clancy Brown

Surtur (voice)

Kaitlyn Robrock

Additional Voices (voice)

Kurt Russell

Ego (voice) / Ego / Ego's Computer / Ego's Army (voice)

Brian T. Delaney

Peter Quill (voice)

Ozioma Akagha

Adolescent Girl (voice) / Shuri (voice)

Kimberly Bailey

Additional Voices (voice)

Melanie Minichino

Additional Voices (voice)

Matt Lowe

Additional Voices (voice)

Devery Jacobs

Kahhori (voice)

Darin De Paul

The Executioner (voice) / Zeus (voice)

Jason Isaacs

The Eminence (voice)

Kimberly Bailey

Additional Voices (voice)

Isaac Robinson-Smith

Brick (voice) / Sergei / Additional Voices (voice)

Tanya Wheelock

Additional Voices (voice) / Female Ravager (voice)

Shane Sweet

Additional Voices (voice)

Paul Bettany

Jarvis (voice) / Vision (voice)

Paul Rudd

Scott Lang / Ant-Man (voice)

Emily VanCamp

Sharon Carter (voice)

David Boat

Additional Voices (voice)

Leslie Bibb

Christine Everhart (voice)

John Kani

T'Chaka (voice)

Kiff VandenHeuvel

Obadiah Stane (voice) / Obadiah Stane / The Rook (voice)

Don Fullilove

Additional Voices (voice)

Michael Patrick McGill

General Ross (voice)

Cobie Smulders

Maria Hill (voice)

Jaimie Alexander

Lady Sif (voice)

David Chen

Hogun / Additional Voices (voice) / Wong / Additional Voices (voice)

Ashley Peldon

Additional Voices (voice)

Cynthia Kaye McWilliams

Gamora (voice)

Chuck Billy

Additional Voices (voice)

Shondalia White

Additional Voices (voice)

Justin Shaw

Additional Voices (voice)

Justin Shaw

Additional Voices (voice)

Secunda Wood

Additional Voices (voice)

Laurence Fishburne

Bill Foster / Goliath (voice) / Dr. Bill Foster / Goliath (voice)

Gene Farber

Karpov / Russian Handler (voice) / Vasily Karpov (voice)

Scott Menville

Additional Voices (voice)

Toby Larsen

Additional Voices (voice)

Luke Lowe

Additional Voices (voice)

Lucy Lowe

Additional Voices (voice)

Maggie Lowe

Additional Voices (voice)

Tessa Thompson

Valkyrie (voice)

Elizabeth Olsen

Wanda Merlin (voice) / Wanda-Merlin (voice)

Jeff Bergman

Odin (voice)

Cate Blanchett

Hela (voice)

Feodor Chin

Wenwu (voice) / Xu Wenwu (voice)

Marcella Lentz-Pope

Additional Voices (voice)

David Harbour

Alexei Shostakov (voice) / Alexei Shostakov / Red Guardian (voice)

Simu Liu

Shang-Chi (voice)

Matthew Wolf

Additional Voices (voice)

D. C. Douglas

The Incarnate (voice)

Max Mittleman

Fandral / Additional Voices (voice)

Darrell Hammond

Nazi General (voice)

Bradley Whitford

Colonel Flynn (voice)

Andreas Beckett

Additional Voices (voice)

David Cowgill

Additional Voices (voice)

Matt Lindquist

Additional Voices (voice)

Carrie Coon

Proxima Midnight (voice)

Djimon Hounsou

Korath (voice)

Benicio del Toro

The Collector (voice)

Chris Sullivan

Taserface (voice)

Ophelia Lovibond

Carina (voice)

Maddix Robinson

Young T'Challa (voice)

David Sobolov

Additional Voices (voice)

Michael Woodley

Additional Voices (voice)

Stephanie Panisello

Betty Ross (voice)

Elisa Gabrielli

Additional Voices (voice)

David Michie

Additional Voices (voice)

Rachel McAdams

Christine Palmer (voice)

Benedict Wong

Wong (voice)

Tilda Swinton

The Ancient One (voice)

Ike Amadi

O'Bengh (voice)

Evangeline Lilly

Hope Van Dyne / Wasp (voice)

Hudson Thames

Peter Parker / Spider-Man (voice)

Ashley Adler

Additional Voices (voice)

Mike Vaughn

Additional Voices (voice)

Angela Bassett

Queen Ramonda (voice)

Andy Serkis

Ulysses Klaue (voice)

Don Cheadle

Rhodey (voice)

Beth Hoyt

Pepper Potts (voice)

Khanya Mkhize

Additional Voices (voice)

Josette Eales

Frigga (voice)

Georges St-Pierre

Batroc (voice)

Max Mittelman

Fandral / Additional Voices (voice)

Peter Serafinowicz

Garthan Saal (voice)

Julianne Grossman

Nova Prime / Irani Rael

Jude Law

Yon-Rogg (voice)

Sam Rockwell

Justin Hammer (voice)

John Slattery

Howard Stark (voice)

Atandwa Kani

King T'Chaka / Black Panther (voice)

Madeleine McGraw

Hope van Dyne (voice)

Mace Montgomery Miskel

Peter Quill (voice)

Keri Tombazian

Dr. Wendy Lawson / Mar-Vell (voice)

Arif S. Kinchen

Additional Voices (voice)

Matthew Waterson

Rusty (voice)

Anastasia Baranova

Additional Voices (voice)

Rachel Weisz

Melina (voice)

Bernard White

Councilman Singh (voice)

JB Blanc

Additional Voices (voice)

Jon Bailey

Additional Voices (voice)

Kim Mai Guest

Additional Voices (voice)

Salli Saffioti

Additional Voices (voice)

Kiawentiio

Wahta (voice)

Jeremy White

Atahraks / Additional Voices (voice)

Gabriel Romero

Conquistador Gonzolo (voice)

Carolina Ravassa

Queen Isabella of Spain (voice)

Iotsi'tsanien Goodleaf

Additional Voices (voice)

Ránikonhrí:io Lazare

Additional Voices (voice)

Sahawisó:ko' Arquette

Additional Voices (voice)

Tehtotsnháthe Lazare

Additional Voices (voice)

Tekanhé:kake Stacey

Additional Voices (voice)

Alexa Iekenhnhenhá;wi Montour

Additional Voices (voice)

Kahentinéhshon Alfred

Additional Voices (voice)

Richard Miro

Additional Voices (voice)

Christian Rodrigo

Additional Voices (voice)

Jordi Caballero

Additional Voices (voice)

Christopher Lee Pearson

Additional Voices (voice)

Ieronhienhawi Tatum McComber

Additional Voices (voice)

Carlos Reig-Plaza

Additional Voices (voice)

Lauren Tom

Jiayi (voice)

Idris Elba

Heimdall (voice)

Michael Hagiwara

Shunyuan (voice)

Liv Zamora

Young Hela (voice)

Vic Chao

Additional Voices (voice)

Karen Huie

Additional Voices (voice)

Paul Kwo

Additional Voices (voice)

James Taku Leung

Additional Voices (voice)

Anthony Mackie

Sam Wilson (voice)

Teyonah Parris

Monica Rambeau (voice)

Oscar Isaac

Moon Knight (voice)

Brittany Adebumola

Nakia (voice)

Alexandra Smith

Additional Voices (voice)

Alejandro Saab

Quentin Beck (voice)

David Collins

Additional Voices (voice)

Kathryn Hahn

Agatha Harkness (voice)

Kumail Nanjiani

Kingo (voice)

James D'Arcy

Edwin Jarvis (voice)

David Kaye

Arishem (voice)

America Ferrera

Ranger Morales (voice)

Zeno Robinson

Additional Voices (voice)

Matthew Friend

The Grandmaster (voice)

Jared Butler

Kaecilius (voice)

Steve French

Malekith (voice)

Hamish Parkinson

Beerbot 5000 (voice)

Akai Robinson

Additional Voices (voice)

Dominique Thorne

Riri Williams (voice)

Michelle Wong

Ying Nan (voice)

Kenna J. Ramsey

Okoye (voice)

Hailee Steinfeld

Kate Bishop (voice)

Wyatt Russell

John Walker (voice)

张梦儿

Xialing (voice)

Walton Goggins

Sonny Burch (voice)

邓伦

Kwai Jun-Fan (voice)

Alison Sealy-Smith

Storm (voice)

Natasha Lyonne

Byrdie (voice)