‘Supergirl’ Finds Her Ruthye Marye Knoll In ‘3 Body Problem’s Eve Ridley

EXCLUSIVE: Sources tell us that 3 Body Problem actress Eve Ridley has landed the part of Ruthye Mary Knolle in DC Studios and Warner Bros’ Craig Gillespie-directed Supergirl.

The movie is based on Tom King’s 2022 comic book series Supergirl: Woman of Tomorrow, which Bilquis Evely illustrated. Ana Nogueira adapted the comic book for the big screen. In that comic, the bad guy is Krem of the Yellow Hill, who kills a young alien girl’s father. She draws Supergirl into the conflict. Knolle is a noble and honorable warrior who travels aross the galaxy with Supergirl to hunt Krem for killing her father in cold blood.

More from Deadline

• Matthias Schoenaerts Lands 'Supergirl' Villain Role

• "Only Advance": Liam Cunningham On The Enigma That Is Thomas Wade In Netflix's '3 Body Problem'

• '3 Body Problem' To Run For 3 Seasons On Netflix

Deadline first told you that Rust and Bone actor Matthias Schoenaerts landed the role of Krem. House of the Dragon‘s Milly Alcock won the Supergirl title role after a big search. She’s also appearing in another DC project before making her big-screen debut as Supergirl.

DC Bosses James Gunn and Peter Safran are producing. DC EVP Chantal Nong is executive producing.

Ridley plays Follower on the D.B. Weiss, David Benioff and Alexander Woo 3 Body Problem series on Netflix. The actress also had a role on BBC’s Casualty. She is repped by Gersh, Stagebox Management and Johnson, Shapiro, Slewett & Kole.

Gunn’s first DC project under the studio’s new phase Gods & Monsters is Creature Commandos on Max which is dropping on Dec 5, 2024. There was an overwhelming positive reaction out of New York Comic-Con. This will be followed by Gunn’s big screen rendition of Superman on July 11, 2025.

DC’s HBO series The Penguin continues to break viewership records averaging 1.8 million U.S. cross-platform viewers, the drama’s strongest single-day performance for the overall series in the states on Oct. 20. The Penguin follows Colin Farrell’s villain character from Matt Reeves’ 2022 movie, The Batman.

Best of Deadline

• 2024 Premiere Dates For New & Returning Series On Broadcast, Cable & Streaming

• 'Wizards Beyond Waverly Place' Release Schedule: When Do New Episodes Come Out?

• Everything We Know About 'Only Murders In The Building' Season 5 So Far

Sign up for Deadline's Newsletter. For the latest news, follow us on Facebook, Twitter, and Instagram.