Alfonso Cuarón

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Mexican director Alfonso Cuaron leaves a press conference following the end of filming of his new movie "Roma," in Mexico City, Tuesday, March 14, 2017. "Roma," a family drama set in the 1970s, marks the first time the Oscar-winning director has filmed in his home country since 2001's "Y tu mama tambien." (AP Photo/Rebecca Blackwell)

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Mexican director Alfonso Cuaron gestures in thanks toward journalists during a press conference following the end of filming of his new movie "Roma," in Mexico City, Tuesday, March 14, 2017. "Roma," a family drama set in the 1970s, marks the first time the Oscar-winning director has filmed in his home country since 2001's "Y tu mama tambien." (AP Photo/Rebecca Blackwell)

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Mexican director Alfonso Cuaron answers questions during a press conference following the end of filming of his new movie "Roma," in Mexico City, Tuesday, March 14, 2017. "Roma," a family drama set in the 1970s, marks the first time the Oscar-winning director has filmed in his home country since 2001's "Y tu mama tambien." (AP Photo/Rebecca Blackwell)

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FILE - In this Oct. 16, 2013 file photo, Mexican film director Alfonso Cuaron poses for a photo during a press conference promoting his film "Gravedad" or Gravity, in Mexico City. Cuaron published a full-page ad in Mexican newspapers questioning President Enrique Pena Nieto’s energy reform. His open letter to the president was published on Monday, April 28, 2014. (AP Photo/Marco Ugarte, File)

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FILE - In this Sunday, March 2, 2014 file photo, Alfonso Cuaron poses in the press room with the award for best film editing for "Gravity" during the 86th Academy Awards at the Dolby Theatre, in Los Angeles. Cuaron and J.J. Abrams ("Lost," the "Star Trek" movies) are executive producers of the new NBC television series, "Believe," a drama about a child whose supernatural powers put her and the world at risk. (Photo by Jordan Strauss/Invision/AP, file)