First leading role was with co-star Wes Bentley in the New York Indy production of Three Below Zero (1998), which won the Max Ophüls award 1999 fort best picture in Germany.

Ranked #52 on the Maxim magazine Hot 100 of 2007 list.

Engaged to Alex Young, a production co-president at 20th Century Fox [May 16, 2007].

Attended Catalina High school in Tucson, Arizona.

Good friend of Jamie Denbo, Sara Morris, Cynthia True and Sally Ann Brooks.

Wore glasses as a child.

Mother is Italian.

The film, The Sweetest Thing (2002), was written by Kate`s best friend, Nancy Pimental. The film`s female characters were based on Nancy and Kate. Also, Kate can be seen on the DVD`s special features.

Portrayed the girlfriend of her future "Grey`s Anatomy" (2005) cast mate, Sandra Oh, in Under the Tuscan Sun (2003). Coincidentally, her character in the film was also a doctor.

Was a runway model in Japan during the early 1980s. The Japanese were fascinated by her size and height (5` 10").

Often compared to Catherine Deneuve, an icon of French cinema. So much so that 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.

Grew up in San Jose, California and Tucson, Arizona.

Wore a fat suit in her role as Nicki Fifer on "The Drew Carey Show" (1995).

Attended University of Arizona