About What If...?
Taking inspiration from the comic books of the same name, each episode of this animated anthology series questions, revisits and twists classic Marvel Cinematic moments.
Main Cast of What If...?
Jeffrey Wright
plays Uatu / The Watcher (voice) (9 episodes)
Matthew Wood
plays Additional Voices (voice) (7 episodes)
Robin Atkin Downes
plays Additional Voices (voice) (6 episodes)
Terri Douglas
plays Additional Voices (voice) (8 episodes)
Secondary Cast of What If...?
Dominic Cooper
plays Howard Stark (voice) (1 episode)
Michael Rooker
plays Yondu Udonta (voice) (1 episode)
Stanley Tucci
plays Dr. Abraham Erskine (voice) (1 episode)
Neal McDonough
plays Timothy 'Dum Dum' Dugan (voice) (1 episode)
Darrell Hammond
plays Nazi General (voice) (1 episode)
Isaac Robinson-Smith
plays Brick (voice) (1 episode)
Bradley Whitford
plays Colonel Flynn (voice) (1 episode)
Andreas Beckett
plays Additional Voices (voice) (1 episode)
David Cowgill
plays Additional Voices (voice) (1 episode)
Matt Lindquist
plays Additional Voices (voice) (1 episode)
Josh Brolin
plays Thanos (voice) (1 episode)
Carrie Coon
plays Proxima Midnight (voice) (1 episode)
Djimon Hounsou
plays Korath (voice) (1 episode)
Benicio del Toro
plays Taneleer Tivan / The Collector (voice) (1 episode)
Sean Gunn
plays Kraglin (voice) (1 episode)
Chris Sullivan
plays Taserface (voice) (1 episode)
Ophelia Lovibond
plays Carina (voice) (1 episode)
Maddix Robinson
plays Young T'Challa (voice) (1 episode)
Tanya Wheelock
plays Female Ravager (voice) (1 episode)
David Sobolov
plays Additional Voices (voice) (1 episode)
Michael Woodley
plays Additional Voices (voice) (1 episode)
Michael Douglas
plays Hank Pym / Yellow Jacket (voice) (1 episode)
Stephanie Panisello
plays Betty Ross (voice) (1 episode)
Elisa Gabrielli
plays Additional Voices (voice) (1 episode)
David Michie
plays Additional Voices (voice) (1 episode)
Shane Sweet
plays Additional Voices (voice) (2 episodes)
Rachel McAdams
plays Christine Palmer (voice) (1 episode)
Benedict Wong
plays Wong (voice) (1 episode)
Tilda Swinton
plays The Ancient One (voice) (1 episode)
Ike Amadi
plays O'Bengh (voice) (1 episode)
Mark Ruffalo
plays Bruce Banner / Hulk (voice) (2 episodes)
Evangeline Lilly
plays Hope Van Dyne / Wasp (voice) (1 episode)
Paul Rudd
plays Scott Lang (voice) (1 episode)
Emily VanCamp
plays Sharon Carter (voice) (1 episode)
David Dastmalchian
plays Kurt (voice) (1 episode)
Hudson Thames
plays Peter Parker / Spider-Man (voice) (1 episode)
Paul Bettany
plays Jarvis (voice) (1 episode) , Vision (voice) (1 episode)
Tom Vaughan-Lawlor
plays Ebony Maw (voice) (2 episodes)
Josh Keaton
plays Skinny Steve Rogers / HYDRA Stomper (voice) (1 episode) , Steve Rogers / Captain America (voice) (2 episodes)
Ashley Adler
plays Additional Voices (voice) (1 episode)
Matthew Yang King
plays Additional Voices (voice) (1 episode)
Mike Vaughn
plays Additional Voices (voice) (1 episode)
David Boat
plays Additional Voices (voice) (2 episodes)
Angela Bassett
plays Queen Ramonda (voice) (1 episode)
Sebastian Stan
plays James 'Bucky' Barnes / Winter Soldier (voice) (1 episode) , James 'Bucky' Barnes (voice) (1 episode)
Danai Gurira
plays Okoye (voice) (3 episodes)
Jon Favreau
plays Harold 'Happy' Hogan (voice) (1 episode) , Harold 'Happy' Hogan / Zombie Happy (voice) (1 episode)
Andy Serkis
plays Ulysses Klaue (voice) (1 episode)
Leslie Bibb
plays Christine Everhart (voice) (2 episodes)
Don Cheadle
plays James 'Rhodey' Rhodes (voice) (1 episode)
John Kani
plays T'Chaka (voice) (2 episodes)
Kiff VandenHeuvel
plays Obadiah Stane (voice) (1 episode)
Beth Hoyt
plays Pepper Potts (voice) (1 episode)
Don Fullilove
plays Additional Voices (voice) (2 episodes)
Khanya Mkhize
plays Additional Voices (voice) (1 episode)
Debra Wilson
plays Additional Voices (voice) (3 episodes)
Michael Patrick McGill
plays General Ross (voice) (2 episodes)
Ross Marquand
plays Ultron (voice) (1 episode) , Ultron / Sub-Ultron Sentries (voice) (1 episode) , Johann Schmidt / Red Skull (voice) (1 episode)
Natalie Portman
plays Jane Foster (voice) (1 episode)
Kat Dennings
plays Darcy Lewis (voice) (1 episode)
Benedict Cumberbatch
plays Stephen Strange / Doctor Strange / Strange-Supreme (voice) (1 episode) , Stephen Strange / Strange-Supreme (voice) (2 episodes)
Jeff Goldblum
plays Grandmaster (voice) (1 episode)
Cobie Smulders
plays Maria Hill (voice) (1 episode)
Fred Tatasciore
plays Volstagg / Drax / Additional Voices (voice) (1 episode) , Drax / Corvus Glaive (voice) (1 episode) , Additional Voices (voice) (3 episodes)
Clark Gregg
plays Agent Phil Coulson (voice) (2 episodes)
Taika Waititi
plays Korg (voice) (1 episode)
Chadwick Boseman
plays T'Challa / Black Panther (voice) (2 episodes) , Star Lord T'Challa (voice) (2 episodes)
Karen Gillan
plays Nebula (voice) (2 episodes)
Seth Green
plays Howard the Duck (voice) (2 episodes)
Jaimie Alexander
plays Lady Sif (voice) (2 episodes)
Rachel House
plays Topaz (voice) (1 episode)
Josette Eales
plays Frigga (voice) (1 episode)
David Chen
plays Hogun / Additional Voices (voice) (1 episode)
Clancy Brown
plays Surtur (voice) (1 episode)
Michael Ralph
plays Additional Voices (voice) (4 episodes)
Mick Wingert
plays Tony Stark (voice) (1 episode) , Tony Stark / Iron Man (voice) (3 episodes)
June Christopher
plays Additional Voices (voice) (2 episodes)
Kaitlyn Robrock
plays Additional Voices (voice) (1 episode)
Jeremy Renner
plays Clint Barton / Hawkeye (voice) (3 episodes)
Piotr Michael
plays Additional Voices (voice) (4 episodes)
Alexandra Daniels
plays Carol Danvers / Captain Marvel (voice) (3 episodes)
Dave B. Mitchell
plays Additional Voices (voice) (1 episode)
Hayley Atwell
plays Peggy Carter / Captain Carter (voice) (2 episodes)
Frank Grillo
plays Brock Rumlow (voice) (3 episodes)
Lake Bell
plays Natasha Romanoff / Black Widow (voice) (3 episodes)
Shelby Young
plays Additional Voices (voice) (3 episodes)
Ashley Peldon
plays Additional Voices (voice) (2 episodes)
Georges St-Pierre
plays Georges Batroc (voice) (1 episode)
Tom Hiddleston
plays Loki (voice) (3 episodes)
Samuel L. Jackson
plays Nick Fury (voice) (4 episodes)
Toby Jones
plays Arnim Zola (voice) (3 episodes)
Kurt Russell
plays Ego (voice) (2 episodes)
Brian T. Delaney
plays Peter Quill (voice) (2 episodes)
Michael B. Jordan
plays N'Jadaka / Erik 'Killmonger' Stevens (voice) (2 episodes)
Chris Hemsworth
plays Thor Odinson (voice) (2 episodes)
Cynthia Kaye McWilliams
plays Gamora (voice) (1 episode)
Ozioma Akagha
plays Shuri (voice) (2 episodes)
Arthur Ortiz
plays Additional Voices (voice) (4 episodes)
Helen Sadler
plays Additional Voices (voice) (2 episodes)
Chuck Billy
plays Additional Voices (voice) (2 episodes)
Kari Wahlgren
plays Additional Voices (voice) (3 episodes)
Shondalia White
plays Additional Voices (voice) (1 episode)
Max Mittelman
plays Fandral / Additional Voices (voice) (1 episode)
Kimberly Bailey
plays Additional Voices (voice) (2 episodes)
Justin Shaw
plays Additional Voices (voice) (2 episodes)
Crew of What If...?
Discover the
backstage crew of What If...? →