Will Halstead was the heart of Chicago Med. Halstead was the original reason for the spinoff — he was the brother of Chicago PD's Jay Halstead. Will was a rebellious resident who constantly did ...

Chicago PD premiered in 2014. Jesse Lee Soffer, who played Detective Jay Halstead, joined the series from the pilot episode and remained the core member of the Intelligence Unit until season 10.

Chicago Med is part of the One Chicago franchise, following the inner workings of the Emergency Department at Gaffney Chicago Medical Center. The show captures the day-to-day stressful activities ...