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 Brennan Brown Dr. Samuel "Sam" Abrams Guest Star Ashlei Sharpe Chestnut Dr. Naomi Howard Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Rasika Ranganathan Dr. Asha Mallick Guest Star Holly Curran Sadie Smith Guest Star May Lansing Emelia Smith Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Lynnette Li Nurse Nancy Guest Star Kim Quindlen Nurse Kacy Guest Star Courtney Rioux Paramedic Courtney Guest Star Sarah Brooks Paramedic Juliette Guest Star Matthew Isler Paramedic Matt Guest Star David Berman Paramedic Corey Guest Star Jo Armeniox Becky Aldrich Guest Star Andrew Call Caleb Aldrich Guest Star Chase Clevenger Ricky Aldrich Guest Star Kayla Kennedy Paramedic Kayla Guest Star West Hunter Layne Killey Guest Star Lilian Rebelo Sierra Douglas Guest Star Abigail Rhyne Shay Douglas Guest Star Cassius Hatosy Hudson Collins Guest Star Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Jonathan Brown Director Allen MacDonald Writer