Karen 'Willow' Zelman is a fictional character portrayed by Megan Henning in the TV series Grey's Anatomy.
In the first episode they appeared in, titled No Good at Saying Sorry (One More Chance) (season 5), they were 30 years old.
They appear in 1 episodes out of a total of 430 aired so far
Episodes1
No Good at Saying Sorry (One More Chance)
episode S5.E21 april 2009Izzie's mother comes to town, a little girl shoots her father triggering a conflict between Meredith and the chief, Thatcher reappears, and Callie gets her first taste of life without her trust fund.