The Host starred people exclusively from Slovenia.
Diane Kruger ( [ diˈa : nə ˈkru : ɡɐ ] ; born Diane Heidkrüger ; 15 July 1976 ) is a German-American actress and former fashion model . Jacob Allen Abel ( born November 18 , 1987 ) is an American actor and singer who is known for playing Adam Milligan in the CW series Supernatural ( 2009 -- 10 ) , Luke Castellan in the film adaptation of Percy Jackson & the Olympians : The Lightning Thief ( 2010 ) , and its sequel , Percy Jackson : Sea of Monsters ( 2013 ) , Mark James in the film adaptation of I Am Number Four ( 2011 ) , and Ian O'Shea in The Host ( 2013 ) . Maximilian Paul Diarmuid `` Max '' Irons ( born 17 October 1985 ) is an English-Irish actor and model . Saoirse Una Ronan ( [ ˈsɜrʃə_ˈuːnə_ˈroʊnən ] ; born 12 April 1994 ) is an Irish and American actress . The Host (2013 film) . Written and directed by Andrew Niccol , the film stars Saoirse Ronan , Max Irons , Jake Abel , William Hurt , and Diane Kruger . William McChord Hurt ( born March 20 , 1950 ) is an American actor .