The actress Olivia Wilde and "Mad Men" star John Slattery are among those scheduled to appear at the 23rd Hamptons International Film Festival, which begins Thursday night and continues through Monday at venues throughout the East End.

Others actors expected to attend include Bel Powley, of "The Diary of a Teenage Girl," and Thomas Mann, of "Me and Earl and the Dying Girl," both of whom are on the festival's 10 Actors to Watch panel, which is sponsored by Variety.

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Those and other names were announced by festival organizers earlier this week as additions to an already crowded event that will feature live interviews with Dan Rather, the former CBS newsman played by Robert Redford in the upcoming drama "Truth;" Emily Blunt, the British actress who was tapped as a rising star by the festival 10 years ago; and Michael Moore, whose new documentary, "Where to Invade Next," is screening at the festival. All three will speak at Sag Harbor's Bay Street Theater as part of the popular series "A Conversation With. . . . "

Several filmmakers with works at the festival were also announced as newly added guests, including Charlie Kaufman, whose "Anomalisa" is a work of stop-motion animation, and Todd Haynes, whose romantic drama "Carol" stars Cate Blanchett and Rooney Mara. The writer-director James Vanderbilt and the actor Dennis Quaid will appear at Thursday night's screening of "Truth."

The festival ends Monday with the closing-night film "Bridge of Spies," a Cold War drama directed by Steven Spielberg. Alan Alda, one of the stars of the film, will attend the screening.