Which actress played Claire the friend of Kate Austen's character in the televison serise Lost?
Kate Austen:  Kate is involved in a love triangle with Jack and Sawyer (Josh Holloway) and is seen as very protective of Claire (Emilie de Ravin) and her baby Aaron. Emilie de Ravin:  She has played Tess Harding on "Roswell" and Claire Littleton on the ABC drama "Lost".
Emilie de Ravin