Casey Affleck (born August 12, 1975) is an American actor. Born in Falmouth, Massachusetts, this younger brother of Good Will Hunting star Ben Affleck, spent the last few years of 1990s working his way out of his brother's muscular shadow.

Affleck got engaged to Summer Phoenix, his girlfriend of four years, on January 9, 2004. On May 31, 2004, the couple gave birth to their son, Indiana August.

Brief Filmography

• Good Will Hunting
• American Pie
• Ocean's Twelve