Television

• Pushing Daisies (2007) — Olive Snook
• Robot Chicken (2007) — Princess, Olive Oyl, Mother (voice)
• Ugly Betty (2007) — Diane
• The West Wing (semi-regular cast member from 2004–, regular cast member from 2005–2006) — Annabeth Schott
• Candide (2005) (PBS Great Performances broadcast of New York Philharmonic concert version) — Cunégonde
• Sesame Street (semi-regular cast member from 2003–) — Mr. Noodle’s Sister, Ms. Noodle
• The Music Man (2003) — Marian Paroo
• Will and Grace (2003) [citation needed]
• Frasier (2001) as Frasier’s new agent, Portia Sanders in episode Junior Agent
• Kristin (2001) — Kristin Yancey
• Annie (1999) — Lily St. Regis
• Paramour (1999) (mini-series)

Films

• Rapunzel (2010) (voice) – Rapunzel
• Into Temptation (2009) – Linda Salerno
• Four Christmases (2008) – Courtney
• Tinkerbell (2008) (voice) – Rosetta
• Space Chimps (2008) (voice) — Kilowatt
• Deck the Halls (2006) — Tia Hall
• Stranger than Fiction (2006) — Book Channel Host (named “Darlene Sunshine” in the deleted scenes on the DVD)
• Running with Scissors (2006) — Fern Stewart
• RV (2006) — Mary Jo Gornicke
• The Pink Panther (2006) — Cherie
• Bewitched (2005) — Maria Kelly
• Show Business (2005) (documentary) — Herself
• Topa Topa Bluffs (2002) — Patty