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 Yaya DaCosta Nurse April Sexton Actor Brian Tee Dr. Ethan Choi Actor Torrey DeVitto Dr. Natalie Manning Actor Marlyne Barrett Maggie Lockwood Actor Dominic Rains Dr. Crockett Marcel Actor Steven Weber Dr. Dean Archer Guest Star Tehmina Sunny Dr. Sabeena Virani Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Adam Poss Dr. Dylan Driskell Guest Star Regan Rohde Carol Conte Guest Star Asjha Cooper Vanessa Taylor Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Lynnette Li Nurse Nancy Guest Star Michael Vaughn Shaw X-Ray Tech Mike Guest Star Cesar Jaime Paramedic Cesar Guest Star Courtney Rioux Paramedic Courtney Guest Star Danny Flaherty Neil Dietrich Guest Star Edgar Miguel Sanchez Edgar Fuentes Guest Star Mike Jimerson Shawn Reynolds Guest Star Jaq Seifert Dr. Nic Young Guest Star Veronica Crystal Mejia Rosa Fuentes Guest Star Geoff Dow Johnny Mims Guest Star Diane Frolov Executive Producer Andrew Schneider Executive Producer Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Michael Pressman Executive Producer Peter Jankowski Executive Producer Michael Berry Director Stephen Hootstein Writer Daniel Sinclair Writer