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 Mekia Cox Robin Guest Star Jesse Lee Soffer Detective Halstead Guest Star Jeff Hephner Jeff Clarke Guest Star Patti Murin Nina Shore Guest Star Roland Buck III Noah Sexton Guest Star Eddie Jemison Stanley Stohl Guest Star Branscombe Richmond Keoni Guest Star Jennifer Landon Janelle Nicholson Guest Star Tim Martin Gleason Kevin Guest Star Nic Few Gary Foster Guest Star Marc Grapey Peter Kalmick Guest Star Alana Arenas Nicole Jansen Guest Star Kenneth Choi Dr. David Kwon Guest Star Lorena Diaz Nurse Doris Guest Star Carlos Rogelio Diaz Nurse Hank 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