See the 'Grey's Anatomy' cast then and now

The 'Grey's Anatomy' cast is returning for season 20! Join EW as we look back on the series' biggest stars throughout the years, including Ellen Pompeo, Patrick Dempsey, and more.

The 'Grey's Anatomy' Cast: Then Vs Now

Grey's Anatomy' Cast on Their First Episode Vs. Last

Grey's Anatomy': Then and now

Grey's Anatomy Cast: Then And Now

See the 'Grey's Anatomy' cast then and now

Grey's Anatomy Cast: Then And Now

Grey's Anatomy Cast, Then and Now Photos

See the 'Grey's Anatomy' Cast Then and Now! Greys anatomy cast, Greys anatomy, Justin chambers

The Cast of Grey's Anatomy: Where Are They Now?

Where the original 'Grey's Anatomy' cast is today

McSteamy! Addison! Cristina! Find out where these beloved 'Grey's' actors are today, Gallery

Grey's Anatomy' Cast Then & Now: See The Stars' Transformations – Hollywood Life

Grey's Anatomy: Where Are They Now? - TV Fanatic