Dick Wolf Creator, Executive Producer Matt Olmstead Creator, Executive Producer Oliver Platt Dr. Daniel Charles Actor S. Epatha Merkerson Sharon Goodwin Actor Nick Gehlfuss Dr. Will Halstead Actor Brian Tee Dr. Ethan Choi Actor Marlyne Barrett Maggie Lockwood Actor Dominic Rains Dr. Crockett Marcel Actor Sasha Roiz Jack Dayton Guest Star Brennan Brown Dr. Samuel "Sam" Abrams Guest Star Lilah Richcreek Estrada Dr. Nellie Cuevas Guest Star T.V. Carpio Dr. Grace Song Guest Star Walter Coppage Dr. Mark Cameron Guest Star John Henry Ward David Sullivan Guest Star Emma Ishta Michelle Abrams Guest Star Alet Taylor Liliana Wapniarski Guest Star Lorena Diaz Nurse Doris Guest Star Katrina Love Nurse Katrina Guest Star B Z Cullins Harrison Jenkins Guest Star Jin You Reporter Guest Star Eva Saha Dipika Krishna Guest Star Claudia Quesada Penny Alvarez Guest Star Alek Rivera Luis Alvarez Guest Star Diane Frolov Executive Producer Andrew Schneider Executive Producer Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Bethany Rooney Director Meridith Friedman Writer Ryan Michael Johnson Writer