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.

It's been over a year since the first season of 3 Body Problem debuted on Netflix, but finally production has officially started up again. Filming has begun on season 2, with a third and final season expect to be shot with it back to back. The new seasons will once again come from the show's creators David Benioff, DB Weiss and Alexander Woo.