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 Charles Guest Star Ato Essandoh Isidore Latham Guest Star Patti Murin Nina Shore Guest Star Jeff Hephner Jeff Clarke Guest Star Eddie Jemison Stanley Stohl Guest Star Roland Buck III Noah Sexton Guest Star Brennan Brown Dr. Sam Abrams Guest Star Deron J. Powell Tate Jenkins Guest Star Tonray Ho Nurse Leah Guest Star Lorena Diaz Nurse Doris Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Dick Wolf Executive Producer Matt Olmstead Executive Producer Andrew Schneider Executive Producer Danielle Gelber Executive Producer Diane Frolov Executive Producer Peter Jankowski Executive Producer Joe Chappelle Executive Producer Arthur W. Forney Executive Producer