How well do you remember guest stars on "ER"?
by Abi Luftig
NBC

The doctors, nurses, and patients of Chicago's County General Hospital were a fixture of Thursday nights and a part of our lives for fifteen years. In addition to the extremely talented regular cast, the emergency room was home to a number of famous and memorable guest stars. How well do you recall these hospital visits?

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About Zoo

Our goal at Zoo.com is to keep you entertained in this crazy life we all live.

We want you to look inward and explore new and interesting things about yourself. We want you to look outward and marvel at the world around you. We want you to laugh at past memories that helped shape the person you’ve become. We want to dream with you about all your future holds. Our hope is our quizzes and articles inspire you to do just that.

Life is a zoo! Embrace it on Zoo.com.