Dick Wolf Creator, Executive Producer Derek Haas Creator, Executive Producer Matt Olmstead Creator, Executive Producer Oliver Platt Dr. Daniel Charles Actor S. Epatha Merkerson Sharon Goodwin Actor Marlyne Barrett Maggie Lockwood Actor Steven Weber Dr. Dean Archer Actor Jessy Schram Dr. Hannah Asher Actor Luke Mitchell Dr. Mitch Ripley Actor Sarah Ramos Dr. Caitlin Lenox Actor Darren Barnet Dr. John Frost Actor Natalie Zea Jackie Nelson Guest Star Henderson Wade Dr. Loren Johnson Guest Star Ashlei Sharpe Chestnut Naomi Howard Guest Star Marc Grapey Peter Kalmick Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Lynnette Li Nurse Nancy Guest Star Courtney Rioux Paramedic Courtney Guest Star Matthew Isler Paramedic Matt Guest Star Brendan Hines Dr. Nicholas Hayes Guest Star Vena Howard Nurse Graysen Guest Star Rachel DiPillo Actor Arthur W. Forney Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Stephen Hootstein Executive Producer Anna Dokoza Director Allen MacDonald Writer Meridith Friedman Writer Lauren MacKenzie Writer Bethany Rooney Director Tess Malone Director Anthony Nardolillo Director Brian Tee Director Gonzalo Amat Director