Matt Olmstead Creator Dick Wolf Creator Oliver Platt Dr. Daniel Charles Actor S. Epatha Merkerson Sharon Goodwin Actor Marlyne Barrett Maggie Lockwood 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 Natalie Zea Jackie Nelson Guest Star Devin Kawaoka Dr. Kai Tanaka-Reed Guest Star Beth Lacke Dr. Margo Collins Guest Star Luigi Sottile Sean Archer Guest Star Marc Grapey Peter Kalmick Guest Star Jodi Kingsley Madeline Gastern Guest Star Mustafa Speaks Amani Thompson Guest Star Lorena Diaz Nurse Doris Guest Star Lynnette Li Nurse Nancy Guest Star Courtney Rioux Paramedic Courtney Guest Star Matthew Isler Paramedic Matt Guest Star Derek Haas Executive Producer Arthur W. Forney Executive Producer Stephen Hootstein Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Meridith Friedman Writer Gonzalo Amat Director