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. Sam Abrams Guest Star Ashlei Sharpe Chestnut Dr. Naomi Howard Guest Star Merrin Dungey Dr. Jennifer Kingston Guest Star Manish Dayal Dr. Theo Rabari Guest Star Mark Linn-Baker Dr. Howie Mankiewicz Guest Star Tamlyn Tomita Celeste Frost Guest Star David Costabile James Frost Guest Star Justin Prentice Ian Walcott Guest Star Tetona Jackson Esme Lockhart Guest Star Zach Appelman Jeremy Lockhart Guest Star Lorena Diaz Nurse Doris Guest Star Kim Quindlen Nurse Kacy Guest Star Matthew Isler Paramedic Matt Guest Star Michael Vaughn Shaw X-Ray Tech Mike Guest Star Nicole Sullivan Gail Spinner Guest Star Ben Harmon Scrub Nurse Guest Star Alix Rhode Circulating Nurse Guest Star Christopher Wayland Neonatal Doctor Guest Star Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Andi Behring Director Andrew Gettens Writer Lauren MacKenzie Writer