Trivia: Brother of actor Ben Affleck. Attended Columbia University, majoring in Physics. During this time he lived with his grandma in Manhattan. Currently lives in Los Angeles with his wife, Summer Phoenix, and son, Indiana August. Is of Scottish-Irish descent. In the March issue of Nylon Magazine, Casey Affleck admits to being ashamed of two movies in his career: Drowning Mona (2000) and Soul Survivors (2001). Is a vegan. Best friends with Joaquin Phoenix.