On the November 12, 2009 episode of the Comedy Central show "The Colbert Report", Harrelson was interviewed by Stephen Colbert, to promote his movie "The Messenger". In response to Colbert's questioning of his support for the troops, Harrelson agreed to let Colbert shave his head on camera. Harrelson returned to television in 2014, starring along with Matthew McConaughey in the first season of the HBO crime series "True Detective", where he played Marty Hart, a Louisiana cop investigating murders that took place over a timespan of 17 years.