Michael Brandt Creator, Executive Producer Derek Haas Creator, Executive Producer Oliver Platt Dr. Daniel Charles Actor S. Epatha Merkerson Sharon Goodwin Actor Nick Gehlfuss Dr. Will Halstead Actor Yaya DaCosta Nurse April Sexton Actor Colin Donnell Dr. Connor Rhodes Actor Brian Tee Dr. Ethan Choi Actor Torrey DeVitto Dr. Natalie Manning Actor Rachel DiPillo Dr. Sarah Reese Actor Marlyne Barrett Maggie Lockwood Actor Greg Williams Bert Guest Star Garcelle Beauvais-Nilon Lyla Guest Star Joe Minoso Joe Cruz Guest Star Eddie Jemison Stanley Stohl Guest Star Taylor Kinney Kelly Severide Guest Star David Eigenberg Christopher Herrmann Guest Star Juan Gabriel Pareja Gary Guest Star Lizzy DeClement LeAnn Crawford Guest Star James Vincent Meredith Barry Guest Star Janet Ulrich Brooks Viola Chapman Guest Star Lorena Diaz Nurse Doris Guest Star Dick Wolf Executive Producer Andrew Schneider Executive Producer Diane Frolov Executive Producer Matt Olmstead Executive Producer Danielle Gelber Executive Producer Arthur W. Forney Executive Producer Peter Jankowski Executive Producer Joe Chappelle Executive Producer