she plays Elliot Reed! a character from Scrubs. Elliot is a nerdy and clumsy but very loveable doctor WHO IS MEANT TO BE WITH J.D.!!!!
She also replaced Alicia Linda Goranson
(better known as Lecy Goranson)as Becky for a few years on the Roseanne show
Sarah Chalke is amazing don't even try to deny it... everyone loves her