- 2009: Co-starred with Joseph Gordon-Levitt in the romantic comedy "(500) Days of Summer"
- 2009: Played a quirky rich girl, opposite Paul Dano, in the independent film "Gigantic"
- 2008: Co-starred with Jim Carrey in "Yes Man"
- 2008: Appeared with Mark Wahlberg in M. Night Shyamalan's "The Happening"
- 2008: Collaborated with singer-songwriter M. Ward on her debut album, Volume One, recorded under the moniker She & Him
- 2007: Cast as Robert Ford's (Casey Affleck) girlfriend in "The Assassination of Jesse James by the Coward Robert Ford"
- 2007: Cast as DG in "Tin Man" (Sci-Fi), a six hour miniseries based on L. Frank Baum's book The Wonderful Wizard of Oz
- 2006: Played Sarah Jessica Parker's neurotic roommate in "Failure to Launch"
- 2006: Played Andy Botwin's quirky ex-girlfriend, Kat on four episodes of the Showtime series, "Weeds"
- 2005: Starred as Trillian in the big-screen adaptation of "The Hitchhiker's Guide to the Galaxy"
- 2005: Portrayed the daughter of a reclusive novelist (Ed Harris) in "Winter Passing"
- 2004: Co-starred in the black comedy "Eulogy"
- 2003: Cast as Will Ferrell's love interest in Jon Favreau's "Elf"
- 2003: First lead role, "All The Real Girls," playing a virgin who captures the heart of a womanizer; received an Independent Spirit Award nomination for Best Actress
- 2002: Cast as Jennifer Aniston's cynical co-worker in Miguel Arteta's "The Good Girl"
- 2001: Formed If All the Stars Were Pretty Babies, a jazz cabaret act with fellow actress Samantha Shelton
- 2000: Appeared as the protagonist's rebellious older sister in Cameron Crowe's "Almost Famous"
- 1999: Film acting debut in Lawrence Kasdan's "Mumford"
- 1998: TV acting debut in an episode of NBC's "Veronica's Closet"
- Played Little Red Riding Hood in the Interact Theater Company's production of the musical "Into the Woods"




