Óscar Isaac Hernández Estrada (born March 9, 1979) is a Guatemalan-American actor. He starred in the tragicomedy "Inside Llewyn Davis" (2013), for which he received a Golden Globe Award nomination, the crime drama "A Most Violent Year" (2014), and the science fiction thriller "Ex Machina" (2014). In 2006, he portrayed Saint Joseph, husband of Mary, in "The Nativity Story". He also portrayed José Ramos-Horta, former president of East Timor and co-recipient of the 1996 Nobel Peace Prize, in the Australian film "Balibo", for which he won the AACTA Award for Best Actor in a Supporting Role.