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 Marlyne Barrett Maggie Lockwood Actor Norma Kuhling Dr. Ava Bekker Actor Paula Newsome Caroline CeCe Charles Guest Star Mekia Cox Robin Charles Guest Star D.W. Moffett Cornelius Rhodes Guest Star Arden Cho Emily Choi Guest Star Alexandra Grey Denise Lockwood Guest Star Casey Tutton Nurse Monique Guest Star Ava Lange Nurse Lucy Guest Star Tonray Ho Admitting Clerk Leah Guest Star Courtney Rioux Paramedic Courtney Guest Star Danny Deferrari Caleb Parker Guest Star Dick Wolf Executive Producer Andrew Schneider Executive Producer Diane Frolov Executive Producer Matt Olmstead Executive Producer Arthur W. Forney Executive Producer Peter Jankowski Executive Producer Charles Carroll Director Safura Fadavi Writer Meridith Friedman Writer