The sci-fi epic has added a trio of new cast members to its upcoming season, which has officially begun production.

As announced by Netflix today, Game of Thrones alum Alfie Allen has joined the cast of 3 Body Problem season 2 in a mystery role. That’s great news for fans of George R.R. Martin’s world, of course, as now the sophomore installment is basically just a big Thrones reunion—again.

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.

Netflix's '3 Body Problem' is expanding its cast for season two, bringing in another 'Game of Thrones' veteran, Alfie Allen, into the fold.

A new cast member has joined 3 Body Problem Season 2, expanding the ensemble of Netflix’s sci-fi series. Known for a prominent role in Game of Thrones, the actor reunites with creators David Benioff and D.

Now, Netflix has announced that Alfie Allen has officially joined the cast of 3 Body Problem's second season. Allen portrayed Theon Greyjoy in Game of Thrones, creating a reunion

Production on the second season of the Netflix sci-fi series has officially commenced. Co-created by David Benioff and DB Weiss, known for their work on Game of Thrones, this adaptation of the book has introduced several new cast members for its upcoming season.

Per Tudum,3 Body Problem Season 2 is officially in production. Over a year after the Season 1 premiere, the series based on Liu Cixin's novel series Remembrance of Earth's Past is

Body Problem season 2 is in production, and a new cast member is joining the team, known for their role in Game of Thrones.