Grace Gummer has joined the cast of CBS' upcoming thriller Extant, TVGuide.com has learned.
The Newsroom actress will play Julie, one of John's (Goran Visnjic) partners in building robot prototypes like Ethan, John and Molly's (Halle Berry) son.
Extant tells the story of Molly, a female astronaut, who's trying to reconnect with her family after a year in outer space. Camryn Manheim will play Sam Barton, Molly's best friend. NCIS actor Michael O'Neill will also star.
In addition to The Newsroom, Gummer's credits also include Zero Hour and Smash.She is the daughter of Meryl Streep and the sister of Mamie Gummer.
Extant premieres Wednesday, July 2 at 9/8c on CBS.
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View original Extant Adds The Newsroom's Grace Gummer at TVGuide.com