Who directed the 2003 American drama film in which Sean Penn and the daughter of English actress Jane Birkin stars?
21 Grams: 21 Grams is a 2003 American drama film directed by Mexican director Alejandro González Iñárritu from a screenplay written by Guillermo Arriaga. 21 Grams:  It stars Sean Penn, Naomi Watts, Charlotte Gainsbourg, Danny Huston and Benicio Del Toro. Charlotte Gainsbourg: Charlotte Lucy Gainsbourg (born 21 July 1971) is a British-French actress and singer. Charlotte Gainsbourg:  She is the daughter of English actress Jane Birkin and French singer and songwriter Serge Gainsbourg.
Alejandro González Iñárritu