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 Roland Buck III Noah Guest Star Ato Essandoh Isidore Latham Guest Star Patti Murin Nina Shore Guest Star Eddie Jemison Stanley Stohl Guest Star Peter Mark Kendall Joey Thomas Guest Star Branscombe Richmond Keoni Guest Star Norma Kuhling Ava Bekker Guest Star Kenneth Choi Dr. David Kwon Guest Star Jesse Lee Soffer Jay Halstead Guest Star Shiri Aljadeff Dr. Leah Bardovi Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Lorena Diaz Nurse Doris Guest Star Tonray Ho Nurse Leah 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