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 Michael Gill Robert Haywood Guest Star Norma Kuhling Dr. Bekkar Guest Star Ato Essandoh Isidore Latham Guest Star Eddie Jemison Stanley Stohl Guest Star Roland Buck III Noah Sexton Guest Star Marc Grapey Peter Kalmick Guest Star James Vincent Meredith Barry Guest Star Lorena Diaz Nurse Doris Guest Star Mia Park Nurse Beth Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Casey Tutton Nurse Monique 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 Lin Oeding Director