Feb. 12 (UPI) -- Birds of Prey, Once Upon a Time in Hollywood and Bombshell actress Margot Robbie has signed on to star in writer-director David O. Russell's next, as-yet-untitled film.
Deadline and Variety reported Robbie's casting in the New Regency project, but offered no details about its plot or setting other than to say it is based on an original story idea from Russell.
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