If there's one thing fans can always count on when it comes to the MCU, it's the brilliant casting. The franchise began with Robert Downey Jr. in Iron Man, who was already an established actor in his own right. The same can be said for the other original Avengers, with talented actors Chris Evans, Chris Hemsworth, Scarlett Johansson, and Mark Ruffalo portraying the iconic characters.

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Since then, many well-known actors have come and gone in the MCU. Whether it be small cameos like Matt Damon and Melissa McCarthy in Thor: Ragnarok or important characters like Josh Brolin as Thanos, many actors have impacted the MCU. With the franchise expanding into Phase Five, many new names will feature in the MCU in 2023.

10 Kathryn Newton Is The New Cassie Lang

Kathryn Newton as Cassie Lang looking shocked next to Scott Lang

Cassie Lang has already been introduced to the MCU. She was originally played by Abby Ryder Fortson in Ant-Man and Ant-Man and the Wasp, and then she was portrayed by Emma Fuhrmann in Avengers: Endgame. However, Cassie Lang will be taken on by a new actor in Ant-Man and the Wasp: Quantumania.

Kathryn Newton is an up-and-coming actor who has appeared in films such as Lady Bird, Three Billboards Outside Ebbing, Missouri, and Pokémon: Detective Pikachu. While she doesn't have a lot of credits under her belt just yet, at just 25 years old, it's entirely possible that Marvel has a rising star on its hands.

9 Bill Murray Will Lend His Comedic Chops To Ant-Man

Bill Murray in Ant Man And The Wasp 3

Bill Murray has had a long and successful career as a comedian. He's been on Saturday Night Live and starred in hit movies such as Ghostbusters, Groundhog Day, and Lost in Translation. He's proven himself both as a comedian and as a dramatic actor, so he'll likely fit in well in the MCU.

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Bill Murray is set to debut in Ant-Man and the Wasp: Quantumania as Krylar. The character's backstory hasn't been revealed, but he is said to be an important part of Janet van Dyne's past. No matter what Murray's role ends up being, having such an established actor join the MCU is always a great thing.

8 Kingsley Ben-Adir Is Going Undercover

Malcolm X in One Night In Miami...

Secret Invasion is one of Marvel's most anticipated projects. The miniseries will follow Nick Fury as he deals with the Skrulls invading Earth and using their shape-shifting abilities to hide among humans. One of the Skrulls he will have to worry about is Gravik, who will be played by Kingsley Ben-Adir.

Gravik is the leader of a group of rebel Skrulls, meaning he will undoubtedly be the main antagonist of Secret Invasion. This is very different from Ben-Adir's previous roles, which includes Malcolm X in the film One Night in Miami... Fans can also see Ben-Adir as Ken in the upcoming film Barbie.

7 Emilia Clarke Trades Dragons For Guns

G'iah (Emilia Clarke) pointing a gun in Secret Invasion

One of the biggest TV shows of all time is Game of Thrones. Naturally, many Game of Thrones actors have been heavily sought after following the series' incredible success. Other Game of Thrones actors have already joined the MCU, with Kit Harrington and Richard Madden appearing in Eternals.

Emilia Clarke will be appearing in Secret Invasion as Abigail Brand, a S.W.O.R.D. agent who aids Nick Fury when the Skrulls infiltrate Earth. While more details won't be known about her character until Secret Invasion is released, fans can expect her to be excellent, just like she was as Daenerys Targaryen.

6 Olivia Colman Becomes The Latest Oscar Winner In The MCU

Secret Invasion's Sonya Falsworth

Not only does the MCU cast A-List names for its upcoming projects, but the franchise also makes it a point to get award-winning actors. Well over a dozen actors in the MCU have won Oscars at some point in their careers. Olivia Colman, who won Best Actress for her role as Queen Anne in The Favourite, will appear in Secret Invasion.

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Colman will make her MCU debut as Sonya Falsworth in the 2023 miniseries. Falsworth is described as a special agent and Nick Fury's former ally. There's no doubt that Sonya will be of huge use to Nick Fury throughout the series.

5 Will Poulter Will Finally Bring Adam Warlock To The Big Screen

Adam Warlock looking angry in the Guardians of the Galaxy Vol. 3 trailer.

Fans have been clamoring for Adam Warlock to make his MCU debut after he was teased at the end of Guardians of the Galaxy Vol. 2, and they'll finally get him six years later. Adam Warlock is an artificial being created by the Sovereign to take down the Guardians. He's set to be portrayed by Will Poulter.

Poulter is a household name. He's appeared in The Maze Runner, the horror cult movie Midsommar, and the Leonardo DiCaprio-led The Revenant. The British actor's casting has hyped MCU fans, as Adam Warlock could possibly become a mainstay in the franchise if he survives Guardians of the Galaxy Vol. 3.

4 Chukwudi Iwuji Has Worked With James Gunn Before

Chukwudi Iwuji in Guardians of the Galaxy

Before he goes off to fully commit to rebuilding DC Studios, James Gunn has one last MCU film coming out: Guardians of the Galaxy Vol. 3. Gunn's project will mark Chukwudi Iwuji's debut in the MCU. Iwuji has previously worked with Gunn on the DC show Peacemaker.

Peacemaker focused on an alien species infiltrating Earth, so it makes sense that Iwuji is back in a movie that also deals with aliens. The actor will be playing the High Evolutionary, a scientist who created Rocket and is looking to make a "special race." Fans are sure that Iwuji will excel in the role.

3 Park Seo-Joon Has An Undisclosed Role In The Marvels

Park Seo-joon

Not much has been revealed about The Marvels apart from a short teaser at the end of Ms. Marvel. However, one thing is for sure, Park Seo-joon will appear in the film in some way. Seo-joon is known for his role in the award-winning film Parasite. He plays a rich kid named Min-hyuk who offers up his tutoring job, setting the events of the film in motion.

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Seo-joon's role in The Marvels is currently undisclosed, and it's uncertain how big or small of a role he will have. However, even though he had limited screentime in Parasite, he made a huge impact. As such, it's safe to say that he will be just as excellent in The Marvels.

2 Ke Huy Quan's Return To Acting Continues

Ke Huy Quan in Everything Everywhere All At Once

When Ke Huy Quan was a kid, he seemed to be launching into stardom with his roles in Indiana Jones and the Temple of Doom and The Goonies. However, excluding a handful of small roles after that, he quit acting for a long time. He finally returned to acting in 2022 when he starred in Everything Everywhere All At Once as Waymond Wang.

Ke Huy Quan's return to Hollywood has been celebrated by his fans all over the world, and the MCU is getting in on the fun. The fan-favorite actor will be appearing in Season 2 of Loki as a TVA archivist. While it may not sound like a huge role, Ke Huy Quan is a welcome addition to the MCU.

1 Anthony Ramos Is Joining Ironheart

Anthony Ramos in Hamilton

It's not often that Marvel takes its actors from the stage, but that's exactly what it's doing with Anthony Ramos, who is slated to appear in Ironheart. Ramos is very well-known for his roles as John Laurens and Philip Hamilton in Hamilton, as well as Usnavi in both the stage and screen adaptations of In The Heights.

While there probably won't be much singing in Ironheart, Ramos has proved that he is capable of more than just musicals as his on-screen career blossoms. Ramos is set to play Parker Robbins, otherwise known as The Hood, a friend of Riri Williams who possesses a hood that grants him access to the dark arts.

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