4K The Unknown Known (2013) online Year: 2013 Country: USA Director:Errol Morris Stars: Donald Rumsfeld, Errol Morris Stars: Donald Rumsfeld, Errol Morris Genre: Documentary Former United States Secretary of Defense, Donald Rumsfeld, discusses his career in Washington D.C. from his days as a congressman in the early 1960s to planning the invasion of Iraq in 2003. Watch The Unknown Known (2013) online