What If...?: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! What If...? Adventure, Science-Fiction, Action 8/11/21 – 10/6/21 https://www.marvel.com/tv-shows/animation/what-if/1 GeneralEpisodesCastCharactersGallery Cast See full cast → Jeffrey Wright as Uatu the Watcher Hayley Atwell as Peggy Carter / Captain Carter Michael B. Jordan as Erik Stevens / Killmonger Michael B. Jordan as Erik Stevens / Killmonger Michael B. Jordan as Erik Stevens / Killmonger Michael B. Jordan as Erik Stevens / Killmonger Michael B. Jordan as Erik Stevens / Killmonger Sebastian Stan as Bucky Barnes Sebastian Stan as Bucky Barnes Sebastian Stan as Bucky Barnes Sebastian Stan as Bucky Barnes Sebastian Stan as Bucky Barnes Sebastian Stan as Bucky Barnes Josh Brolin as Thanos Josh Brolin as Thanos Josh Brolin as Thanos Josh Brolin as Thanos Josh Brolin as Thanos Mark Ruffalo as Bruce Banner / Hulk Mark Ruffalo as Bruce Banner / Hulk Mark Ruffalo as Bruce Banner / Hulk Mark Ruffalo as Bruce Banner / Hulk Mark Ruffalo as Bruce Banner / Hulk Tom Hiddleston as Loki Samuel L. Jackson as Nick Fury Chris Hemsworth as Thor Chris Hemsworth as Thor Chris Hemsworth as Thor Chris Hemsworth as Thor Chris Hemsworth as Thor Chadwick Boseman as Star-Lord T'Challa Chadwick Boseman as Star-Lord T'Challa T'Challa / Black Panther Chadwick Boseman as Star-Lord T'Challa Chadwick Boseman as Star-Lord T'Challa Chadwick Boseman as Star-Lord T'Challa Karen Gillan as Nebula Jeremy Renner as Clint Barton / Hawkeye Jeremy Renner as Clint Barton / Hawkeye Jeremy Renner as Clint Barton / Hawkeye Jeremy Renner as Clint Barton / Hawkeye Paul Rudd as Scott Lang / Ant-Man Michael Douglas as Hank Pym Neal McDonough as Dum Dum Dugan Dominic Cooper as Howard Stark John Slattery as Howard Stark Sean Gunn as Kraglin Obfonteri Sean Gunn as Kraglin Obfonteri Sean Gunn as Kraglin Obfonteri Sean Gunn as Kraglin Obfonteri Sean Gunn as Kraglin Obfonteri Natalie Portman as Jane Foster Natalie Portman as Jane Foster Natalie Portman as Jane Foster Natalie Portman as Jane Foster Natalie Portman as Jane Foster David Dastmalchian as Kurt David Dastmalchian as Kurt David Dastmalchian as Kurt David Dastmalchian as Kurt David Dastmalchian as Kurt Stanley Tucci as Dr. Abraham Erskine Taika Waititi as Korg Taika Waititi as Korg Taika Waititi as Korg Taika Waititi as Korg Taika Waititi as Korg Taika Waititi as Korg Toby Jones as Arnim Zola Djimon Hounsou as Korath the Pursuer Djimon Hounsou as Korath the Pursuer Djimon Hounsou as Korath the Pursuer Djimon Hounsou as Korath the Pursuer Djimon Hounsou as Korath the Pursuer Jeff Goldblum as Grandmaster Jeff Goldblum as Grandmaster Jeff Goldblum as Grandmaster Jeff Goldblum as Grandmaster Jeff Goldblum as Grandmaster Matt Friend as Grandmaster Michael Rooker as Yondu Udonta Chris Sullivan as Taserface Bradley Whitford as Colonel John Flynn Ross Marquand as Johann Schmidt / Red Skull Ultron Sub-Ultron Sentries Werner Darrell Hammond as Nazi General Darrell Hammond as Nazi General Darrell Hammond as Nazi General Darrell Hammond as Nazi General Benicio Del Toro as The Collector Taneleer Tivan / The Collector Kurt Russell as Ego Kurt Russell as Ego Kurt Russell as Ego Kurt Russell as Ego Kurt Russell as Ego Kari Wahlgren as Carina Melina Vostokoff Ophelia Lovibond as Carina Ophelia Lovibond as Carina Ophelia Lovibond as Carina Ophelia Lovibond as Carina Ophelia Lovibond as Carina Carrie Coon as Proxima Midnight Tom Vaughan-Lawlor as Ebony Maw Tom Vaughan-Lawlor as Ebony Maw Tom Vaughan-Lawlor as Ebony Maw Tom Vaughan-Lawlor as Ebony Maw Tom Vaughan-Lawlor as Ebony Maw John Kani as T'Chaka Seth Green as Howard the Duck Danai Gurira as Okoye Kenna J. Ramsey as Okoye Benicio Del Toro as Taneleer Tivan / The Collector Benicio Del Toro as Taneleer Tivan / The Collector Benicio Del Toro as Taneleer Tivan / The Collector John Kani as T'Chaka Clark Gregg as Agent Phil Coulson Jaimie Alexander as Lady Sif Frank Grillo as Brock Rumlow Frank Grillo as Brock Rumlow Frank Grillo as Brock Rumlow Frank Grillo as Brock Rumlow Lake Bell as Natasha Romanoff / Black Widow Mick Wingert as Tony Stark / Iron Man Tony Stark John Kani as T'Chaka Benedict Cumberbatch as Dr. Stephen Strange Stephen Strange / Doctor Strange Supreme Stephen Strange / Doctor Strange Rachel McAdams as Christine Palmer Rachel McAdams as Christine Palmer Rachel McAdams as Christine Palmer Benedict Wong as Wong David Chen as Wong Tilda Swinton as The Ancient One Tilda Swinton as The Ancient One Tilda Swinton as The Ancient One Ike Amadi as O'Bengh Ike Amadi as O'Bengh Leslie Bibb as Christine Everhart John Kani as T'Chaka Alexandra Daniels as Carol Danvers / Captain Marvel Chadwick Boseman as T'Challa / Black Panther Jon Favreau as Happy Hogan Ike Amadi as O'Bengh Paul Bettany as Vision Jarvis Paul Bettany as Vision Evangeline Lilly as Hope Van Dyne / Wasp Emily VanCamp as Sharon Carter Hudson Thames as Peter Parker / Spider-Man Angela Bassett as Queen Ramonda Andy Serkis as Ulysses Klaue Andy Serkis as Ulysses Klaue Don Cheadle as Rhodey Paul Bettany as Jarvis Kat Dennings as Darcy Lewis Cobie Smulders as Maria Hill Rachel House as Topaz Josh Keaton as Steve Rogers / Captain America Georges St-Pierre as Batroc Jude Law as Yon-Rogg Peter Serafinowicz as Garthan Saal Julianne Grossman as Nova Prime / Irani Rael Fred Tatasciore as Groot Laurence Fishburne as Bill Foster Atandwa Kani as King T'Chaka / Black Panther Madeleine McGraw as Young Hope Van Dyne Mace Montgomery Miskel as Young Peter Quill Keri Tombazian as Wendy Lawson / Mar-Vell Gene Farber as Karpov Sam Rockwell as Justin Hammer Matthew Waterson as Rusty Isaac Robinson-Smith as Sergei Cynthia Kaye McWilliams as Gamora Tessa Thompson as Valkyrie Rachel Weisz as Melina Elizabeth Olsen as Wanda Devery Jacobs as Kahhori Kiawenti:io Tarbell as Wahta Jeremy White as Atahraks Gabriel Romero as Conquistador Gonzolo Carolina Ravassa as Queen Isabella of Spain Clancy Brown as Surtur Jeff Bergman as Odin Cate Blanchett as Hela Feodor Chin as Xu Wenwu Lauren Tom as Jiayi Idris Elba as Heimdall Michael Hagiwara as Shunyuan Liv Zamora as Young Hela Teyonah Parris as Monica Rambeau David Harbour as Alexei Shostakov / Red Guardian Simu Liu as Shang-Chi Oscar Isaac as Moon Knight Brittany Adebumola as Nakia Kathryn Hahn as Agatha Harkness Kumail Nanjiani as Kingo James D'Arcy as Edwin Jarvis David Kaye as Arishem Kiff VandenHeuvel as Obadiah Stane America Ferrera as Ranger Morales Piotr Michael as General Dreykov Jared Butler as Kaecilius Steve French as Malekith Andrew Morgado as Laufey Darin dePaul as Zeus The Executioner Hamish Parkinson as Beerbot 5000 Dominique Thorne as Riri Williams Alejandro Saab as Quentin Beck Michelle Wong as Ying Nan Jason Isaacs as The Eminence Hailee Steinfeld as Kate Bishop / Hawkeye Wyatt Russell as John Walker Meng'er Zhang as Xialing Walton Goggins as Sonny Burch Deng Lun as Kwai Jun-Fan Alison Sealy-Smith as Storm Natasha Lyonne as Byrdie