The film stars Charlie Hunnam as Arthur, with Astrid Berges-Frisbey playing Guinevere.
Joby Harold wrote the the script and is producing with Ritchie, Lionel Wigram, Akiva Goldsman and Tory Tunnell. Plot details are being kept under wraps, and the pic will open on July 22, 2016. Niija Kuykendall and Cate Adams are overseeing for the studio.
The studio hopes the film can kickstart another franchise for Warner Bros., with the story to be told over six installments. It’s unknown whether Law would be appearing in one movie or play a villain throughout the course of the franchise.
Ritchie is currently seeing actors for the part of Arthur’s mentor, the last major role to be cast before the film goes into production. Idris Elba was originally in contention, but a deal could not be reached, and the two sides parted ways.
The project marks a reunion between Law and Ritchie, following the former’s role as Dr. John Watson in the director’s “Sherlock Holmes” franchise.
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Law, who is repped by WME and LBI Entertainment, will next be seen in the action pic “Black Sea,” which bows Jan. 23.