A familiar face is returning to Gaffney Chicago Medical Center in Chicago Med season 11, but their sudden appearance in the Windy City could undo their great and fitting ending from three seasons ago. The NBC medical drama has undergone many cast changes over the years. Chicago Med 's cast today certainly doesn't look the same as it did during its first season.

It's exciting whenever an original star reprises their role after they have long been gone. It's like reuniting with an old friend that you haven't seen in years. However, sometimes reunions aren't all they are cracked up to be. Sometimes you can build them up in your head only to be disappointed with reality, which is why this Chicago Med star's return is worrying.

Nick Gehlfuss Is Reprising His Role As Will Halstead

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