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 Elias Koteas Alvin Olinsky Guest Star Ato Essandoh Isidore Latham Guest Star Roland Buck III Noah Sexton Guest Star Brennan Brown Dr. Sam Abrams Guest Star Jamie Gray Hyder ASA Ramirez Guest Star Will Rogers Ben Samuels Guest Star Carolyn Dodd Lindsay Guest Star James Vincent Meredith Barry Guest Star Marc Grapey Peter Kalmick Guest Star Maggie Scrantom Holly Samuels Guest Star Jay O. Sanders Reverend Cray Guest Star Casey Tutton Nurse Monique Guest Star Gail Shapiro Nurse Belinda Hughes Guest Star Tonray Ho Leah 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