Dick Wolf Creator, Executive Producer Matt Olmstead Creator, Executive Producer 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 Luigi Sottile Sean Archer Guest Star Lorena Diaz Nurse Doris Guest Star Courtney Rioux Paramedic Courtney Guest Star Matthew Isler Paramedic Matt Guest Star David Berman Paramedic Corey Guest Star Kim Quindlen Traveling Nurse Kacy Guest Star Evan Arnold IT Tech Leonard Schmidt Guest Star Amy Acker Heather Williams Guest Star Michael Engberg Chris Pradera Guest Star Carla Abruzzo Jessie Pradera Guest Star Carmen Flood Laural Cochran Guest Star Jaydon Clark Milo Pradera Guest Star Alfredo J. Ruiz Billy Cochran Guest Star Nye Dow Astrid Ellison Guest Star Anthony Michael Cooke McFlurry Guest Star Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Olenka Denysenko Director Deanna Shumaker Writer