Epatha Merkerson), and the dedicated charge nurse of the emergency department, Maggie Lockwood (Marlyne Barrett). Over the ...

Per TVLine, a fan would ask, "Will Maggie and John's Chicago Med friendship shift into something ... focused on wrapping up Dr. Mitch Ripley's (played by Luke Mitchell) latest storyline.

Marlyne Barrett as Maggie Lockwood on the Chicago Med cast. Pic credit ... Eamonn Walker returns to Chicago Fire this spring. He used to play Chief Wallace Boden on the hit NBC drama.

Elsewhere in that episode, Dr. John Frost (played by Darren ... Nurse Maggie asks Dr. Frost as the promo begins. Glee’s Jessalyn Gilsig has joined the Chicago Med cast as Ainsley Towne.