Dick Wolf Creator Matt Olmstead Creator 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 Brennan Brown Dr. Samuel "Sam" Abrams Guest Star Conor Perkins Dr. Zach Hudgins Guest Star Henderson Wade Dr. Loren Johnson Guest Star Ashlei Sharpe Chestnut Naomi Howard Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Alet Taylor Liliana Wapniarski 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 Courtney Rioux Paramedic Courtney Guest Star Sarah Brooks Paramedic Juliette Guest Star Elena Marisa Flores Officer Rosado Guest Star Scott Michael Campbell Gavin Harley Guest Star Seamus Flynn Ellis Curtis, Zoey, Green Tag Patient, Surgical Nurse Laurie, Circulating Nurse Warren, Pathology Resident Dale, Paramedic Jose, Paramedic Yvette Guest Star, Guest Star, Guest Star, Guest Star, Guest Star, Guest Star, Guest Star, Guest Star Emily Althaus Jeanine Curtis Guest Star Jesse Luken Seth Curtis Guest Star Cassie Negron Kelsey Gallicano Guest Star Tiff Abreu Cassidy Guest Star Paige Bourne Lifejacket Woman Guest Star Matt Rockwood Man in Pain Guest Star Beth Johnson Anesthesiologist Esther Guest Star Nick Gehlfuss Actor Colin Donnell Actor Brian Tee Actor, Director Rachel DiPillo Actor Yaya DaCosta Actor Torrey DeVitto Actor Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Anna Dokoza Director Allen MacDonald Writer Bethany Rooney Director Tess Malone Director Anthony Nardolillo Director Gonzalo Amat Director