Marvel Studios announced the cast ofAvengers: Doomsday, and fourStar Trekactors will reprise their roles as Marvel characters. Directed by Joe and Anthony Russo,Avengers: Doomsdayrevealed 27 actorsand characters led by Robert Downey Jr., who was previously announced to play the villainous Doctor Doom instead of his iconic role as Iron Man (Tony Stark).Avengers: Doomsdaywill release in 2026, andStar Trekis well represented in the Marvel Cinematic Universe’s multiversal superhero spectacle.
Star Trekhas a long history with Marvel.Marvel Studios President Kevin Feige is an avowedStar Trekfan, and he recruitedStar Trek: Picardseason 3 showrunner Terry Matalas as executive producer ofMarvel’s upcomingVision Questseries. Feige worked on Fox’sX-Menmovie in 2000, which castStar Trek: The Next Generation’s Patrick Stewart as Professor Charles Xavier, andFamke Janssen, who guest-starred inTNG, as Jean Grey. Thor actor Chris Hemsworth was also part ofStar Trekbefore he became the God of Thunder.
Marvel Studios leaned into the Multiverse afterAvengers: Endgame, and even integrated characters from Fox’sX-MenandFantastic Fourmoviesinto the MCU. However,Star Trekinnovated the Multiverse decades before the MCU.Star Trekintroduced its first alternate reality - the Mirror Universe - during season 2 in 1967. With so many connections tyingStar Trekand Marvel Studios together, it’s fitting and exciting to see these iconicStar Trekactors return to their Marvel roles inAvengers: Doomsday.
4Chris Hemsworth As Thor
Hemsworth Played Lieutenant George Kirk In Star Trek (2009)
Chris Hemsworth returns as Thor inAvengers: Doomsday.Thor was last seen in 2022’sThor: Love and Thunder, where he bid farewell to his love interest, Dr. Jane Foster (Natalie Portman), who also became Thor in director Taika Waititi’s sequel.Thor is the only member of the original six Avengers inAvengers: Doomsday(not counting Robert Downey Jr., who plays Doctor Doom and not Iron Man). The God of Thunder has had a tumultuous journey in the MCU, but he remains steadfast, resilient, and a true hero.
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Two years before becoming Thor, Chris Hemsworth appeared in J.J. Abrams’Star Trek(2009) reboot asLieutenant George Kirk. InStar Trek(2009)’s prologue,Kirk commanded the USS Kelvin in its fateful final moments before it was destroyedby the Romulan time-traveler, Nero (Eric Bana). George saved the life of his wife, Winona Kirk (Jennifer Morrison), and their newborn son, Jim, who was inspired by his father’s sacrifice to join Starfleet and become Captain James T. Kirk (Chris Pine) of the Starship Enterprise.
Star Trek 4starring Pine and Hemsworth as father and son Kirks was mired in “creative differences” and “development hell”.
There were failed attempts to bring Chris Hemsworth back toStar Trekand team up with Chris Pine in a fourth J.J. Abrams-producedStar Trekmovie. Unfortunately,Star Trek 4starring Pine and Hemsworth as father and son Kirks was mired in “creative differences” and “development hell” before the idea was abandoned. While there seems to be no avenue for Chris Hemsworth to return toStar Trek, he will always be part of the franchise even as he saves the MCU as Thor.
3Patrick Stewart As Professor Charles Xavier (Professor X)
Stewart Plays Captain Jean-Luc Picard In Star Trek: The Next Generation & Admiral Picard In Star Trek: Picard
Sir Patrick Stewart reprises his role as Professor Charles Xavier inAvengers: Doomsday.Professor X is Stewart’s most iconic role besides playingCaptain Jean-Luc Picard inStar Trek: The Next Generation, and the telepathic leader of the X-Men is arguably better known to mainstream audiences.Avengers: Doomsdaywill be the 9th time Stewart plays Charles Xavier,and by that point, Sir Patrick will have played the Multiverse’s most powerful mutant psychic for 26 years.
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Joe and Anthony Russo
Of course, Patrick Stewart became an icon as Captain Jean-Luc Picard inStar Trek: The Next Generation. Stewart then headlined the feature filmsStar Trek Generations, Star Trek: First Contact, Star Trek: Insurrection,andStar Trek: Nemesisfrom 1994-2002; by the time he starred in his fourthStar Trekmovie, Stewart was already splitting his time withFox’sX-Menfilms. In 2020,Stewart reprised Jean-Luc inStar Trek: Picard,which concluded with its critically acclaimed third season in 2023.
Part of the fun of Stewart’s latest comeback as Xavier will be seeing him reunite with Ian McKellan as Magneto.
It’s unclearwhich version of Professor X Patrick Stewart will play inAvengers: Doomsday.Charles Xavier infamously died several times in theX-Menmovies, with an alternate universe Professor X killed by the Scarlet Witch (Elizabeth Olsen) inDoctor Strange in the Multiverse of Madness.However, part of the fun of Stewart’s latest comeback as Xavier will be seeing him reunite with Ian McKellan as Magneto, who also returns inAvengers: Doomsday.
2Rebecca Romijn As Mystique
Romjin Plays Lt. Commander Una Chin-Riley AKA Number One In Star Trek: Strange New Worlds
Rebecca Romijn returns as Mystique inAvengers: Doomsday. Romijn was world famous as a model and Sports Illustrated swimsuit issue cover girl when she was cast as the blue, shapeshifting mutant villain in 2000’sX-Men.Romijn’s striking, unforgettable presence instantly made Mystique an iconic character, and she became one of the most prominent mutants in the first threeX-Menmovies.
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In 2018,Rebecca Romijn joinedStar Trekwhen she was cast as Number OneinStar Trek: Discovery, a role originated by Majel Barrett-Roddenberry in 1965. Romijn, along with Anson Mount’s Captain Christopher Pike and Ethan Peck’s Lieutenant Spock, were so popular, they received a spinoff,Star Trek: Strange New Worlds.About to enter season 3,Strange New Worldsis a hit for Paramount+, andNumber One’s backstory as Lt. Commander Una Chin-Riley has been fleshed out.
Anson Mount reprised Black Bolt inDoctor Strange in the Multiverse of Madness,after originating the role in Marvel’sInhumans.
Rebecca Romijn’s last appearance as Mystique was a cameo in 2011’sX-Men: First Class, when the younger version of Mystique played by Jennifer Lawrence briefly morphed into Romijn’s version. Fittingly,Romjin’s comeback as Mystique inAvengers: Doomsdayis alongside Ian McKellan’s Magneto, her traditional partner in crime. In addition, Alan Cummings as Nightcrawler and James Marsden as Cyclops will also be part ofAvengers: Doomsday’s X-Mencontingent.
1Kelsey Grammer As Beast
Grammer Played Captain Morgan Bateson In Star Trek: The Next Generation
In 1992,Kelsey Grammer made a surprise cameo inStar Trek: The Next Generationseason 5, episode 18, “Cause and Effect.” TheCheersand futureFrasierstar appeared as Captain Morgan Bateson, a time-tossed starship captain, at the end of the classicTNGepisode. While it wasGrammer’s loneStar Trekappearance,Captain Bateson made an unexpected return inStar Trek: Lower Decksseason 3, although Grammer did not voice his character in the episode.
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Kelsey Grammer debuted as Beast, AKA Dr. Hank McCoy, in 2006’sX-Men: The Last Stand. Nicholas Hoult than took over the role as the younger Beast inX-Men: First Class, X-Men: Days of Future Past, X-Men: Apocalypse,andDark Phoenix.However, Grammer returned as Beast in a cameo inDays of Future Pastbefore making a surprise appearance in the post-credits scene ofThe Marvels. Presumably, this sets up Grammer’s comeback as Beast inAvengers: Doomsday.
