Dick Wolf Creator, Executive Producer Matt Olmstead Creator, Executive Producer Oliver Platt Dr. Daniel Charles Actor S. Epatha Merkerson Sharon Goodwin 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 Nick Gehlfuss Dr. Will Halstead Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Ari Morgan Owen Jeffrey Manning Guest Star Marc Grapey Peter Kalmick Guest Star Jamie Renee Smith Larissa Taggart Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Cesar Jaime Paramedic Cesar Guest Star Courtney Rioux Paramedic Courtney Guest Star Sarah Brooks Paramedic Juliette Guest Star Matthew Isler Paramedic Matt Guest Star Peter Francis James Franklin Burnett Guest Star Mark Linn-Baker Howie Mankiewicz Guest Star Spencer Watson Lt. Daniel Hazouri Guest Star A.J. Shively Corey Graham Guest Star Tina Alexis Allen Dierdre Wheeler Guest Star Joe Chapleau Whip Wheeler Guest Star Anand Bhatt Surgical Resident Reza Guest Star Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Anthony Nardolillo Director Stephen Hootstein Writer