Amy Louise Acker
is an American actress who is best known for her television roles as Winifred Burkle
on The WB
television series Angel
, Kelly Peyton
on the ABC
science-fiction action series, Alias
, and played Samantha "Root" Groves
on the CBS
crime-drama series, Person of Interest
, having been promoted to a series regular in the show's third season.
For Disney, she played Astrid and Nova in Once Upon a Time, Amanda Grayson in the ABC TV show No Ordinary Family, Jenny Bristol in the ABC TV show October Road, and Audrey in the Agents of S.H.I.E.L.D. episode "The Only Light in the Darkness." and Kathleen Shepherd in Grey's Anatomy.
Amy Acker speaks at the 2017 San Diego Comic Con.