The language that Julianne Moore and her kids speak is Danish
Actor Daniel Day-Lewis, who is the director's husband, suggested Travis Fimmel to her for the role of Guy after seeing him in Vikings (2013).
The first time John visit's Maggie's apartment and questions her about all the books, she tells him that she's subletting it from a poet. Director Rebecca Miller said she modeled the apartment after one she sublet years ago from poet W.S. Merwin.
Second film that Julianne Moore plays a character employed by Columbia University, the other was Still Alice
Film is based on the original story by Karen Rinaldi.