Dick Wolf Creator Matt Olmstead Creator 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 Ashlei Sharpe Chestnut Dr. Naomi Howard Guest Star Merrin Dungey Dr. Jennifer Kingston Guest Star Manish Dayal Dr. Theo Rabari Guest Star Rasika Ranganathan Dr. Asha Mallick Guest Star Abrial Bonilla Med Student Lina Martinez Guest Star Orlagh Cassidy Miranda Lewis Guest Star Logan Miller Kip Lenox Guest Star Erin Anderson Lizzy Asher Guest Star Mike Pniewski Mark Asher Guest Star Tamlyn Tomita Celeste Frost Guest Star David Costabile James Frost Guest Star Justin Prentice Ian Walcott Guest Star Jessalyn Gilsig Ainsley Towne Guest Star Madison Rojas Young John Frost Guest Star Erinn Ruth Linda Meyers Guest Star Hannah Efsits Celia Meyers Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Kim Quindlen Nurse Kacy Guest Star Matthew Isler Paramedic Matt Guest Star Jessica Collins Dr. Liza Shumaker Guest Star Marielle Young Dr. Mindy Vaughan Guest Star Molly Hager Giselle Dutton Guest Star Ross Wellinger Xander Dutton Guest Star Nathan Shelton Troy Scott Guest Star Loreto Delgado III Dr. Gerard Ruiz, Angelica Burns, Meghan Taylor, Goodwin's Assistant Guest Star, Guest Star, Guest Star, Guest Star Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Cory Bowles Director Stephen Hootstein Writer Dylan Johnson Writer Anna Dokoza Director