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 Rasika Ranganathan Dr. Asha Mallick Guest Star Ari Morgan Owen Jeffrey Manning Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Merrin Dungey Dr. Jennifer Kingston Guest Star Jackson Dorfmann Jasper Eaton Guest Star Jamie Renee Smith Larissa Taggart Guest Star Tetona Jackson Esme Lockhart Guest Star Zach Appelman Jeremy Lockhart Guest Star James Immekus Miles Weller Guest Star Gina Vitori Emerald Atwell Guest Star Casey Hartnett Device Rep Simone Finch Guest Star Patrick Brambert Security Guard Don Schultz Guest Star Ashley R Singh Circulating Nurse Guest Star Jiawen Liang Nurse #1 Guest Star Lola Rae Nurse #2 Guest Star Angel Yvonne Charge Nurse Guest Star Bradley Allen Meyer Spa Employee Guest Star Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Anna Dokoza Director Andrew Gettens Writer Lauren Mackenzie Writer