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 Luke Mitchell Dr. Mitch Ripley Guest Star Devin Kawaoka Dr. Kai Tanaka-Reed Guest Star John Earl Jelks Dr. Dennis Washington Guest Star Beth Lacke Dr. Margo Collins Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Wendi Weber Dr. Eliza Young Guest Star Luigi Sottile Sean Archer Guest Star Alet Taylor Liliana Wapniarski Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Courtney Rioux Paramedic Courtney Guest Star Michael Vaughn Shaw X-Ray Tech Mike Guest Star Marshall Allman Jason Davies Guest Star Peggy Roeder Frances Davies Guest Star Missy Fierro Marisol Robles Guest Star Angelo Kern David Robles Guest Star Kate Bond Hilary Robertson Guest Star Kev Morris Sr. Security Guard Guest Star Sean Kennedy Angry Pedestrian Guest Star Aria Tereza Szalai Jackie Shaw 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 Gonzalo Amat Director Danny Weiss Writer Lily Dahl Writer