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Release date: Sept. 6
Director: Shane Salerno
Cast: Interviewees include Tom Wolfe, Martin Sheen, Edward Norton, John Cusack, Gore Vidal, and Judd Apatow
One reason it's a must see: "The Catcher in the Rye" author J.D. Salinger -- one of the most enigmatic figures of the 20th Century -- gets scrutinized in this years-in-the-making documentary that has been in many ways just as secretive and mysterious as its subject.