‘3 Body Problem’ Season 2 Expands Cast With ‘Game of Thrones’ Alum, ‘The Boys’ Star & More

Erin Maxwell August 1, 2025, 7:00 pm

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Alfie Allen, Claudie Doumit, and Ellie de Lange join '3 Body Problem' — Summit Entertainment/courtesy Everett Collection; Prime Video; PBS

Production has begun on the second season of Netflix’s 3 Body Problem, and the series is tapping into its Game of Thrones roots for its Season 2 cast. Created by David Benioff, D.B. Weiss, and Alexander Woo, the hit Netflix series is ramping up with casting announcements, although few plot details have been revealed.

Production on Season 2 of the thrilling sci-fi series has officially begun in Budapest, Hungary. Adapted from Cixin Liu’s popular book series, 3 Body Problem follows a young woman whose decision in 1960s China reverberates across space and time, eventually reaching a group of brilliant scientists in the present day. As the laws of nature begin to unravel, five former colleagues reunite to confront the threat to human existence.

Here is everything we know about the second season of the hit Netflix series so far.

When will 3 Body Problem Season 2 premiere?

The exact release date is currently unknown, but Season 1 premiered on January 15, 2023. A typical big-budget Netflix production takes approximately two and a half to four years from initial development to release. Since Season 2 is still in pre-production, it may be another year and a half before it debuts on the platform. At least.

What is 3 Body Problem Season 2 about?

Not much is known about the second season yet, but the creators had a few things to say about the upcoming season.

“The tone really changes once you get to the second season,” the co-creators said in a statement. “It’s much bigger. Things get wilder, the conflicts get more cosmic. Once people see it on the screen, they’re going to understand why we’ve been so excited for this season, in particular.”

“We included a lot of what we loved from the [novels by Cixin Liu] in Season 1, but the vast majority of reasons we wanted to make this show are in Season 2,” Weiss said at the Television Academy panel. “We always wanted to get to the final page of the third book, and it’s really, really thrilling to us that we will get to do just that.”

Who will star in 3 Body Problem Season 2?

Original cast includes Benedict Wong as Da Shi, Jess Hong as Jin Cheng, Zine Tseng as Young Ye Wenjie, Liam Cunningham as Thomas Wade, John Bradley as Jack Rooney, and Alex Sharp as Will Downing.

New additions to the regular cast include Claudia Doumit as a character named Captain Van Rijn, and Ellie de Lange, who will portray Ayla, a character expected to play a major role. Doumit is known to audiences for her work as Victoria Neuman in the Prime Video series The Boys and Gen V, de Lange is known for The Serpent and Arcadia,

New recurring cast members include Alfie Allen as an undisclosed character, reuniting Game of Thrones‘ Theon Greyjoy with the show’s creators Benioff and Weiss. Jordan Sunshine and David Yip also join the cast in recurring roles.

Who is behind 3 Body Problem?

The series is co-created, written, and executive produced by Benioff, Weiss, and Woo. Benioff and Weiss are best known for shepherding Game of Thrones, while Woo is known for his work on True Blood.

'3 Body Problem' Stars Talk Humanity & Characters in Sci-Fi Thriller

Executive producers include Bernadette Caulfield; Duncan Muggoch; T-Street’s Rian Johnson, Ram Bergman and Nena Rodrigue; Qi Lin, the late former chairman of Yoozoo Group; Jilong Zhao, CEO of the rights-holder, Three-Body Universe; Plan B Entertainment’s Brad Pitt, Jeremy Kleiner and Dede Gardner; and Primitive Streak’s Rosamund Pike and Robie Uniacke.

Jeremy Podeswa and Miguel Sapochnik will direct and serve as executive producers.