​From Wikipedia, the free encyclopedia.   Eric Mendelsohn (born 1 November 1964) is an American film director and screenwriter. Two of his films have been screened in the Un Certain Regard section at Cannes: Through an Open Window in 1992 and Judy Berlin in 1999., which won the Directing Award at the 1999 Sundance Film Festival. His third film, 3 Backyards, also earned the Directing Award at the Sundance Film Festival in 2010, making him the only person in history to receive that honor twice. ...