Full Cast — What If...? (2021–2024)

Jeffrey Wright

The Watcher (voice)

Terri Douglas

Additional Voices (voice)

Matthew Wood

Additional Voices (voice)

Fred Tatasciore

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

Robin Atkin Downes

Additional Voices (voice)

Shelby Young

Additional Voices (voice)

Debra Wilson

Additional Voices (voice)

Dave B. Mitchell

Additional Voices (voice)

Helen Sadler

Additional Voices (voice)

Piotr Michael

General Dreykov (voice) / Additional Voices (voice)

Hayley Atwell

Peggy Carter (voice) / Peggy Carter / Captain Carter (voice) / Captain Carter / Peggy Carter (voice)

Sebastian Stan

Bucky Barnes / Winter Soldier (voice) / Bucky Barnes / The Winter Soldier (voice) / Bucky Barnes (voice)

Josh Keaton

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

Samuel L. Jackson

Nick Fury (voice) / Sir Fury (voice)

Mick Wingert

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

Kari Wahlgren

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

Michael Ralph

Additional Voices (voice)

Benedict Cumberbatch

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

Lake Bell

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

Chris Hemsworth

Thor (voice) / King Thor Odinson (voice)

Ross Marquand

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

Seth Green

Howard the Duck (voice)

Mark Ruffalo

Bruce Banner / Hulk (voice) / Bruce Banner / Hulk / Mega-Hulk (voice) / Bruce Banner (voice)

Secunda Wood

Additional Voices (voice)

Tom Hiddleston

Frost Giant Loki (voice) / Loki (voice)

Andrew Morgado

Laufey (voice) / Additional Voices (voice)

Taika Waititi

Korg (voice)

Karen Gillan

Nebula (voice)

Chadwick Boseman

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

June Christopher

Additional Voices (voice)

Jeremy Renner

Clint Barton / Hawkeye (voice)

Alexandra Daniels

Carol Danvers / Captain Marvel (voice)

Frank Grillo

Brock Rumlow (voice)

Kat Dennings

Darcy Lewis (voice) / Darcy (voice)

Arthur Ortiz

Additional Voices (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)

David W. Collins

Additional Voices (voice)

Devery Jacobs

Kahhori (voice)

Darin De Paul

The Executioner (voice) / Zeus (voice)

Jason Isaacs

The Eminence (voice)

Josh Brolin

Thanos (voice)

Tom Vaughan-Lawlor

Ebony Maw (voice)

Matthew Yang King

Additional Voices (voice)

Danai Gurira

Okoye (voice)

Michael Rooker

Yondu (voice) / Yondu Udonta (voice)

Rachel House

Topaz (voice)

Clancy Brown

Surtur (voice)

Kaitlyn Robrock

Additional Voices (voice)

Toby Jones

Arnim Zola (voice)

Kimberly Bailey

Additional Voices (voice)

Kurt Russell

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

Melanie Minichino

Additional Voices (voice)

Matt Lowe

Additional Voices (voice)

Clark Gregg

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

Ozioma Akagha

Adolescent Girl (voice) / Shuri (voice)

Matthew Wolf

Additional Voices (voice)

D. C. Douglas

The Incarnate (voice)

Dominic Cooper

Howard Stark (voice)

Stanley Tucci

Dr. Erskine (voice)

Shane Sweet

Additional Voices (voice)

Paul Rudd

Scott Lang / Ant-Man (voice)

Emily VanCamp

Sharon Carter (voice)

Paul Bettany

Jarvis (voice) / Vision (voice)

David Boat

Additional Voices (voice)

Leslie Bibb

Christine Everhart (voice)

John Kani

T'Chaka (voice)

Don Fullilove

Additional Voices (voice)

Michael Patrick McGill

General Ross (voice)

Jeff Goldblum

Grandmaster (voice)

Cobie Smulders

Maria Hill (voice)

Jaimie Alexander

Lady Sif (voice)

Michael Douglas

Hank Pym / Yellow Jacket (voice) / Dr. Hank Pym / Ant-Man (voice)

Isaac Robinson-Smith

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

Ashley Peldon

Additional Voices (voice)

Brian T. Delaney

Peter Quill (voice)

Michael B. Jordan

Killmonger (voice)

Cynthia Kaye McWilliams

Gamora (voice)

Chuck Billy

Additional Voices (voice)

Shondalia White

Additional Voices (voice)

Justin Shaw

Additional Voices (voice)

Tanya Wheelock

Additional Voices (voice) / Female Ravager (voice)

Scott Menville

Additional Voices (voice)

Kiff VandenHeuvel

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

David Chen

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

Jeff Bergman

Odin (voice)

Laurence Fishburne

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

Gene Farber

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

Cate Blanchett

Hela (voice)

Feodor Chin

Wenwu (voice) / Xu Wenwu (voice)

Marcella Lentz-Pope

Additional Voices (voice)

Simu Liu

Shang-Chi (voice)

David Harbour

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

Alison Sealy-Smith

Storm (voice)

Natasha Lyonne

Byrdie (voice)