Can You Guess These ER Guest Stars?

By Susan McDonald on October 10, 2017

About This Quiz

The long-running TV series "ER" made stars out of George Clooney, Julianna Margulies, Noah Wyle and many more, but the regular cast members weren't the only famous faces to show up at County General. Do you remember when these actors stopped by for a guest appearance?

Trending on Zoo!