Gregory HartleyActingNo biography available.Known For6.0Torture: The Guantanamo Guidebook2005Fan ClubNo Nerds have favorited Gregory Hartley yet — be the first.All fan clubsFrom NerdspinFilmographyActor2Crew12005Torture: The Guantanamo GuidebookFilmLead interrogator★ 6.02004We Can Make You Talk: A History of InterrogationFilmInterrogator