When Manhattan art dealers take a young man into their home believing him to be a friend of their children and Sidney Poitier's son, he leaves them with a lasting impression.

Close-up: The true story of Hossain Sabzian, a poor, underemployed, divorced, father of two who is obsessed with the cinema. In 1989, Sabzian convinced the Ahankhah family that he was Iranian filmmaker Moshen Makhmalbaf (The Silence) and that he would cast them in his next film. Eventually, the family caught on to the ruse and contacted the authorities, leading to Sabzian's arrest. A journalist wrote a column about the incident that Kiarostami read....