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 Luigi Sottile Sean Archer Guest Star Tonray Ho Admitting Clerk Leah Guest Star Marie Tredway Nurse Trini Guest Star Marc Grapey Peter Kalmick Guest Star Courtney Rioux Paramedic Courtney Guest Star T.V. Carpio Dr. Grace Song Guest Star Sasha Roiz Jack Dayton Guest Star Lorena Diaz Nurse Doris Guest Star Alet Taylor Liliana Wapniarski Guest Star Lynnette Li Nurse Nancy Guest Star Conor Perkins Dr. Zach Hudgins Guest Star Devin Kawaoka Dr. Kai Tanaka-Reed Guest Star Michael Vaughn Shaw X-Ray Tech Mike Guest Star Lilah Richcreek Estrada Dr. Nellie Cuevas 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 Nicole Rubio Director Meridith Friedman Writer Daniel Sinclair Writer Eli Talbert Writer Stephen Hootstein Writer Gabriel L. Feinberg Writer Ryan Michael Johnson Writer Danny Weiss Writer Gabrielle Fulton Ponder Writer