Jennifer Anne Affleck, known professionally as Jennifer Garner, is an American actress. She is best known for her role as CIA agent Sydney Bristow on the ABC thriller drama series Alias. She is also known for her roles in the films Juno, Dude, Where's My Car?, 13 Going on 30, Catch Me if You Can, Daredevil, Elektra, Catch and Release, and The Kingdom.

She is married to actor Ben Affleck. They have two children, Violet Anne Affleck and Seraphina Rose Elizabeth Affleck.

http://en.wikipedia.org/wiki/Jennifer_Garner