Francois Chau is a Cambodian-American actor best known for his role as Dr. Pierre Chang in Lost (with Terry O'Quinn, Andrew Divoff, Byron Chung, Michelle Arthur, Jonathan Dixon, Greg Grunberg, Nick Jameson, Lindsey Ginter, Ron Bottitta, David S. Lee, Tracy Middendorf, Raymond J. Barry, etc), he played Mr. Cho in 3.12 Crossings.