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Here Are All the Marvel Actors Doing Voices in ‘What If…?’

Many of you believe that Avengers: Endgame was the most star-studded product of Marvel Studios. However, it’s time you take a look at the voices of What If…? which beats the cast count of Endgame easily. Marvel Studios have reassembled the casts of dozens of their MCU movies to record new dialogues for their show, which imagines alternate versions of familiar MCU characters from throughout the multiverse. With very few exemptions, every voice you hear on What If…? is provided by the actors who originated the characters.

Take a look at all MCU actors who have come back for voicing their original characters in Marvel’s latest animated series What If…?

1. Hayley Atwell as Peggy Carter

From Agent to Captain, Atwell is the voice behind Peggy Carter, who then becomes Captain Carter, in Episode 1.

2. Stanley Tucci as Dr. Erskine

Currently dead in the MCU, Stanley Tucci got a chance to revive his character Dr. Erskine in What If…? who was last seen in Captain America: The First Avenger.

3. Dominic Cooper as Howard Stark

Dominic Cooper too was last seen in Captain America: The First Avenger letting his voice to Howard Stark.

4. Bradley Whitford as Colonel Flynn

Bradley Whitford’s Strategic Scientific Reserve officer John Flynn only appeared in Agent Carter’s short film. His return has been a surprise to many.

5. Ross Marquand as the Red Skull

When Hugo Weaving refused to revive his character of the Red Skull in Avengers: Infinity War and Endgame, the studios roped in Ross Marquand, who did a convincing impression of Weaving’s Werner Herzog accent as the Skull

6. Toby Jones as Armin Zola

The scientist in the van from whom Captain Carter recovers the Tesseract is played by Toby Jones. The character, Armin Zola later becomes an evil voice on a computer that helps Hydra take over S.H.I.E.L.D.

7. Sebastian Stan as Bucky

Much before the series aired on Disney+, Stan posted a funny behind-the-scenes video from the taping of What If…? to his Instagram.

8. Neal McDonough as Dum Dum Dugan

As big as his role is in the comics, Neal McDonough’s Dum Dum Dugan never got the right attention in the MCU that he deserved. He serves as a close aid to Nick Fury at S.H.I.E.L.D


9. Samuel L. Jackson as Nick Fury

We saw Samuel L. Jackson voicing Fury in the first episode for the first time. An episode later, however, we get more of his visuals as the third episode revolves around the fall of the Earth’s mightiest heroes.

10. Jeremy Renner as Hawkeye

Like Fury, Clint Barton as well makes an appearance in the first and the third episode of the series. Jeremy Renner will be back as Barton once again in November for his solo Hawkeye series on Disney Plus

11. Chadwick Boseman as Star-Lord T’Challa

Episode 2 features what appears to be one of the late Chadwick Boseman’s very last appearances in the MCU. Before his death, he recorded the voiceover for numerous episodes. The entire episode is a beautiful tribute to Boseman, who, like Star-Lord T’Challa, inspired everyone he met.

12. Karen Gillan as Nebula

Karen Gillan voices Nebula in the second episode of the series. She might sound same but Neblua appears totally different in this form.

13. Josh Brolin as Thanos

Lending his voice to the Mad Titan, Josh Brolin with as a more docile and shockingly hilarious version of Thanos. Brolin clearly seems to be having the most fun with his lines

14. Michael Rooker as Yondu

Michael Rooker returns and voices the leader of the Ravagers once again. However, this version has a softer side thanks to T’Challa’s influence.

15. Djimon Hounsou as Korath

We come across a rather different version of Korath The Pursuer in the series. Unlike the Korath who we met in Guardians Of The Galaxy, this version of him is quite familiar with who Star Lord really is.

16. Benicio del Toro as The Collector

Benicio del Toro had more number of dialogues as the Collector in the 30 minute episode of What If…? than he had all together in Guardians of the Galaxy.

17. Kurt Russell as Ego

Kurt Russell shows up for a single line of dialogue in the final minutes of episode 3. Failure of Peter Quill’s abduction from Earth by the Ravagers didn’t mean his family tree would changed.

18. Sean Gunn as Kraglin

 Sean Gunn makes a return to voice the Ravager that he played in live-action Guardians Of The Galaxy.

19. Chris Sullivan as Taserface

Chris Sullivan revives his Guardians of the Galaxy role Tasserface in the series.

20. Seth Green as Howard the Duck

Seth Green is back to voice the boozy billed captive once again. He’s so familiar with the prison that he guides T’Challa his way out.

21. John Kani as T’Chaka

The easily recognizable voice of T’Challa’s father belongs to John Kani. He also played the previous king of Wakanda in Black Panther.

22. Danai Gurira as Okoye

Even if it was for a line, Danai Gurai returns to voice the fierce character when T’Challa eventually returns to Wakanda.

23. Ophelia Lovibond as Carina

Ophelia Lovibond was last seen in 2014’s Guardians of the Galaxy where she played the Collector’s polite, pink-faced assistant.

24. Tom Vaughan-Lawlor as Ebony Maw

The Black Order in this alternate reality is seen serving a different master. Tom Vaughan-Lawlor returns to bring life to Ebony Maw’s animated version.

25. Carrie Coon as Proxima Midnight

Another member of the Black Order returning to serve their new master is Proxima Midnight voiced by Carrie Coon

26. Michael Douglas as Hank Pym

Michael Douglas returns to voice the formerly heroic character in episode 3 who seeks revenge from Fury for his daughter’s death.

27. Clark Gregg as Phil Coulson

Clark Gregg returns to TV after wrapping up his long run on Agents of S.H.I.E.L.D to play Agent

28. Frank Grillo as Brock Rumlow

The fierce Hydra agent who we know is posing as a S.H.I.E.L.D. agent is once again voiced by Frank Grillo

29. Mark Ruffalo as Bruce Banner

While it was Edward Nortan who starred in The Incredible Hulk alongside Tyler’s Betty Ross, this version of Banner is voiced by Mark Rufallo.

30. Tom Hiddleston as Loki

On Earth to avenge his brother’s death, Tom Hiddleston returns as Loki because nobody does it better.


Catch the fourth episode of What If…? only on Disney+ on Wednesday, September 3rd, at 12:01 a.m. PT and 3:01 a.m. ET

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