Elizabeth Mitchell
Elizabeth Mitchell (born March 27, 1970), is an American actress. She is best known for her role as Dr. Juliet Burke on the ABC TV series Lost, and also had lead roles on the TV series V and Revolution, and recurring as the Snow Queen in Once Upon A Time in late 2014. She has starred in such films as The Santa Clause 2, The Santa Clause 3: The Escape Clause and Gia.