Dick Wolf Creator, Executive Producer Matt Olmstead Creator, Executive Producer Oliver Platt Dr. Daniel Charles Actor S. Epatha Merkerson Sharon Goodwin Actor Nick Gehlfuss Dr. Will Halstead Actor Brian Tee Dr. Ethan Choi Actor Marlyne Barrett Maggie Lockwood Actor Dominic Rains Dr. Crockett Marcel Actor Brennan Brown Dr. Samuel "Sam" Abrams Guest Star Asjha Cooper Dr. Vanessa Taylor Guest Star Michael Rady Dr. Matt Cooper Guest Star Sarah Rafferty Dr. Pamela Blake Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Amy J. Carle Dr. Olga Patchefsky Guest Star Rachel Kang Dr. Kathleen Jamison Guest Star Marc Grapey Peter Kalmick Guest Star Angela Wong Carbone Jessa Rinaldi Guest Star Johanna Braddy Avery Quinn Guest Star Bonita Friedericy Terri Hammer Guest Star Lorena Diaz Nurse Doris Guest Star Lynnette Li Nurse Nancy Guest Star Carlos Rogelio Diaz Nurse Hank Guest Star Renelle Nicole Nurse Trisha Guest Star Michael Vaughn Shaw X-Ray Tech Mike Guest Star Courtney Rioux Paramedic Courtney Guest Star Desmond Gray Paramedic Desmond Guest Star Cesar Jaime Paramedic Cesar Guest Star Tim Kazurinsky Sheldon West Guest Star Torrey Hanson Roger Flanagan Guest Star Maxwell Jenkins EJ Daniels Guest Star Peter Moore Tom Meadows Guest Star Jeff Shannon Nathan Daniels Guest Star Katherine Keberlein Becky Meadows Guest Star Diane Frolov Executive Producer Andrew Schneider Executive Producer Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Timothy Busfield Director Stephen Hootstein Writer Gabriel L. Feinberg Writer