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 Ato Essandoh Isidore Latham Guest Star Michael Gill Robert Haywood Guest Star Emma Duncan Maia Frisch Guest Star Alice Barrett Ms. Campbell Guest Star Arden Cho Emily Guest Star James Vincent Meredith Barry Guest Star Marc Grapey Peter Kalmick Guest Star Ronald L. Conner Malcolm Tucker Guest Star Shane Kenyon Todd Cronin Guest Star Nick Searcy Jerome Farris Guest Star Tuckie White Katherine Ferris Guest Star Daniel Kyri Lane Tucker Guest Star Kenn E. Head John Blalock Guest Star Casey Tutton Nurse Monique Guest Star Mia Park Nurse Beth Guest Star Tonray Ho Leah Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Puja Mohindra Dr. Heather 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