Elizabeth Mitchell (born Elizabeth Joanna Robertson: March 27, 1970) is an American actress known for her role as Dr. Juliet Burke on the ABC series Lost. She also had lead roles on the TV series V and Revolution, as well as recurring as the Snow Queen on Once Upon A Time and as Deb Carpenter on Dead of Summer. Mitchell has starred in such films as The Santa Clause 2 & 3, Gia and The Purge: Election Year.
