Kristen Hager

Chicago Med brought on actress Kristen Hager to play the role of Dr. Stevie Hammer during Season 7. Hammer first showed up in the ED for Season 7, Episode 1, when Chicago Med fans also found out that she knew Dr. Will Halstead from back in their school days. There was also a tense subplot

The Chicago Med cast added actress Kristen Hager to the show at the beginning of Season 7. Hager appeared as Dr. Stevie Hammer for a while, and it seemed like the writing was steering Hammer toward a relationship with Dr. Will Halstead (played by Nick Gehlfuss). A relationship between Hammer and Halstead never really happened,