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 LaRoyce Hawkins Kevin Atwater Guest Star Ashlei Sharpe Chestnut Dr. Naomi Howard Guest Star Hannah Riley Anna Charles Guest Star Deanna Dunagan Margaret Charles Guest Star Lorena Diaz Nurse Doris Guest Star Kim Quindlen Nurse Kacy Guest Star Zackary Arthur Gio Guest Star Tiffany Mann Soraya Ellison Guest Star Sarah Grant Leigh Holloway Guest Star Elena Marisa Flores Officer Rosado Guest Star Narci Pérez Regina Sage Ellison Guest Star Wellie Lamb Slater Holloway Guest Star Omari K. Chancellor Travis Abbott Guest Star Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Cherie Nowlan Director Allen MacDonald Writer