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 Dr. Reese's father Guest Star Kara Killmer Sylvie Brett Guest Star Roland Buck III Noah Sexton Guest Star D.W. Moffett Cornelius Rhodes Guest Star Eddie Jemison Stanley Stohl Guest Star Arden Cho Emily Guest Star Melanie Nicholls-King Ms. Larson Guest Star Maura Kidwell Mrs. Parks Guest Star Marc Grapey Peter Kalmick Guest Star Garrett Wareing Josh Guest Star Lorena Diaz Nurse Doris Guest Star Amanda Marcheschi Nurse Dina Guest Star Casey Tutton Nurse Monique Guest Star Mia Park Nurse Beth Guest Star Tonray Ho Leah Guest Star Sophie Thatcher Deb 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