An Irish-American actress starred in The Host.
Rosa Maria `` Rosie '' Perez ( born September 6 , 1964 ) is an American actress , community activist , talk show host , author , dancer , and choreographer . 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 .