Caleb Casey McGuire Affleck (born August 12, 1975), better known as Casey Affleck, is an American actor, film director, screenwriter, and producer. He first came to attention for his performances in Gus Van Sant's films To Die For (1995), Good Will Hunting (1997), and Gerry (2002). He appeared in the Ocean's Trilogy (2001–2007), a caper comedy film series, as Virgil Malloy.
Affleck starred in The Assassination of Jesse James by the Coward Robert Ford, for which he received an Academy Award nomination for Best Supporting Actor, and Gone Baby Gone, directed by his brother Ben Affleck. In 2010, he directed the mockumentary I'm Still Here, starring his brother-in-law Joaquin Phoenix. He also received critical acclaim for his performance in Out of the Furnace and Ain't Them Bodies Saints (both 2013).