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 Norma Kuhling Dr. Ava Bekker Actor Michael Gill Robert Haywood Guest Star Maryann Plunkett Catherine Covington Guest Star Roland Buck III Noah Sexton Guest Star Eddie Jemison Stanley Stohl Guest Star Arden Cho Emily Guest Star José Antonio García Dan Kennet Guest Star Reed Birney Greg Guest Star Julie White Tessa Guest Star Amanda Marcheschi Nurse Dina Guest Star Casey Tutton Nurse Monique Guest Star Lorena Diaz Nurse Doris Guest Star Mia Park Nurse Beth Guest Star Tonray Ho Leah Guest Star Jeremy Shouldis Dr. Marty Peterson 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