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 Marc Grapey Peter Kalmick Guest Star Angela Wong Carbone Jessa Rinaldi Guest Star Johanna Braddy Avery Quinn Guest Star Lorena Diaz Nurse Doris Guest Star June Schreiner Nurse June Guest Star Amanda Marcheschi Nurse Dina Guest Star Sarah Brooks Paramedic Juliette Guest Star Elena Marisa Flores Officer Rosado Guest Star Diane Frolov Executive Producer, Writer Andrew Schneider Executive Producer, Writer Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Peter Jankowski Executive Producer Michael Pressman Executive Producer Nicole Rubio Director