Actress who starred as the title character in the drama/mystery series Veronica Mars and served as the narrator for the teen drama series Gossip Girl. She has also played memorable roles in the films Forgetting Sarah Marshall, Pulse, When in Rome, Bad Moms and The Lifeguard. In 2012, she began playing Jeannie van der Hooven in Showtime's House of Lies and in 2013, she voiced Princess Anna in the animated film Frozen.
She left the Tisch School of the Arts at New York University in 2001, just a few credits away from graduating, to take her first Broadway role in a musical production of The Adventures of Tom Sawyer.
She played the character Uda Bengt in two episodes of the Starz comedy series Party Down and the character Ingrid de Forest in three episodes of NBC's Parks and Recreation.