Katherine Heigl was in a television show.
The sixth season of the American television medical drama Grey 's Anatomy , commenced airing on the American Broadcasting Company ( ABC ) in the United States on September 24 , 2009 , and concluded on May 20 , 2010 . Katherine Heigl . From 1999 to 2002 , Heigl co-starred as Isabel Evans on the television series Roswell . Heigl played Izzie Stevens on the ABC medical drama Grey 's Anatomy from 2005 to 2010 , a role for which she won the Primetime Emmy Award for Outstanding Supporting Actress in a Drama Series in 2007 . A medical drama is a television program or film in which events center upon a hospital , an ambulance staff , or any medical environment and most medical episodes are one hour long and set in a hospital .