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 Brennan Brown Dr. Sam Abrams Guest Star Ashley Hinshaw Melody Sayers Guest Star Joseph Kibler Nick Guest Star Deron J. Powell Tate Jenkins Guest Star Samantha Marie Ware Julia Guest Star Coby Goss Edward Thompson Guest Star Audi Resendez Evelyn Kumer Guest Star Lorena Diaz Nurse Doris Guest Star Amanda Marcheschi Nurse Dina Guest Star Tonray Ho Nurse Leah Guest Star Janelle Snow Dr. Audrey Lee 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