EXCLUSIVE: Apple TV+ has rounded out the cast for Jessica Chastain-led The Savant, its eight-episode limited series from writer/executive producer/showrunner Melissa James Gibson, Fifth Season and Anonymous Content.

Jordana Spiro (Ozark), Trinity Lee Shirley (Da Bottomz), newcomer Toussaint Francois Battiste (Waiting for Godot), Cole Doman (Mutt), Hannah Gross (The Adults), David Wilson Barnes (George & Tammy), Michael Mosley (The Sinner) and Dagmara Dominczyk (Succession) join previously announced Chastain, Nnamdi Asomugha and James Badge Dale, who recurs.

Chastain, who also executive produces, plays a top-secret investigator known as the Savant, who infiltrates online hate groups to take down the most violent men in the country. Asomugha plays her husband.

Inspired by a true story published by Cosmopolitan, the storyline and additional character details are being kept under wraps.

Chastain and Kelly Carmichael exec produce through her Freckle Films banner. James Gibson exec produces, with Matthew Heineman directing and exec producing. Jessica Giles, editor-in-chief of Cosmopolitan, executive produces, and Brian Madden, SVP Development for Hearst Magazines, produces. Stanley serves as consultant.

Spiro is repped by Principal Entertainment and Wolf Kasteler; Shirley by Domina Holbeck and Sloane Fitzgerald at CESD and Christine McLain at McLain Entertainment; Battiste by Innovative Artists; Doman Innovative Artists and Sweeney Entertainment; Gross is repped by Gersh and Untitled Entertainment; Barnes by Innovative Artists; Mosley by Gersh and Hansen Jacobson; Dominczyk by Innovative Artists and Industry Entertainment.