Michael London’s new Groundswell Prods. shingle has set Rawson Thurber to direct “The Mysteries of Pittsburgh.” Peter Sarsgaard, Sienna Miller, Nick Nolte, Jon Foster and Mena Suvari will star. Story’s about a recent college grad who has one last fling before adulthood by falling into a love triangle with a charismatic couple. The comedy, an adaptation of Michael Chabon’s debut novel, was penned by Thurber and will begin production Sept. 5.

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