Amy Acker

Amy Louise Acker is an American actress. She played Winifred Burkle and Illyria on the TV series Angel and Kelly Peyton on Alias. Since 2012, she has played Root on Person of Interest, having become a series regular in season 3.

Acker was born and raised in Dallas, Texas, to a homemaker mother and a lawyer father. She graduated from Lake Highlands High School in Dallas. She subsequently earned a bachelors degree in theater from Southern Methodist University.

Source: Wikipedia