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 Jeff Hephner Jeff Clarke Guest Star Roland Buck III Noah Sexton Guest Star Deron J. Powell Tate Jenkins Guest Star Brennan Brown Dr. Sam Abrams Guest Star Patti Murin Nina Shore Guest Star Amanda Leigh Cobb Cheryl Banks Guest Star Josh Bywater David Banks Guest Star Ann Joseph Mrs. Roth Guest Star Kelvin Roston Mr. Roth Guest Star Roderick Peeples Jim Kessler Guest Star Alex Henderson Kevin Roth Guest Star Jesse Lee Soffer Jay Halstead Guest Star Steve McDonagh Mr. Wheeler Guest Star Lorena Diaz Nurse Doris Guest Star Mia Park Nurse Beth Guest Star Tonray Ho Nurse Leah Guest Star Alex Weisman Chout Guest Star Carlos Rogelio Diaz Nurse Hank Logan 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