TV commercial for the Cadillac 2008 CTS. Her ads are titled "Turn You On (Kate)" and "Favorite Things (Kate)", and can be played on Cadillac's website. The song in the ads is "Stars" by Hum. (September 2007 - 2008)
Often compared to Catherine Deneuve, an icon of French cinema. So much so it was written into an episode of Grey's Anatomy (2005) where a patient's husband becomes fascinated with Walsh's character because of the resemblance.