His work includes the documentary, Gaza Strip (2002), Iraq in Fragments (2006) and Sari's Mother (2007). Between 2007 and 2009 Longley was working on a film in Iran. The film was cut short during the time of the elections and ensuing protests in June, 2009. On Sunday, June 14, The New York Times Lede blog reported he "was arrested with his translator while interviewing people on a street in Tehran, near the Interior Ministry," and later interviewed him about his and his translator's experiences. This film is currently on hold indefinitely. He is the founder of Daylight Factory, a production company committed to creating documentary films about international subjects with international appeal.