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 David Eigenberg Christopher Herrmann Guest Star Kara Killmer Sylvie Brett Guest Star Marina Squerciati Kim Burgess Guest Star Yaya DaCosta April Sexton Guest Star Brennan Brown Dr. Samuel "Sam" Abrams Guest Star Asjha Cooper Dr. Vanessa Taylor Guest Star Sarah Rafferty Dr. Pamela Blake Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Karmann Bajuyo Dr. David Jones Guest Star Marc Grapey Peter Kalmick Guest Star Leon Addison Brown Gerald Simmons Guest Star Wayne T. Carr Grant Young Guest Star Curtiss Cook Lt. Reginald "Reggie" Scott Guest Star Riley Voelkel Milena Jovanivic Guest Star Mehmet Can Aksoy Goran Kostovic Guest Star Angela Wong Carbone Jessa Rinaldi Guest Star Lorena Diaz Nurse Doris Guest Star Lynnette Li Nurse Nancy Guest Star Cesar Jaime Paramedic Cesar Guest Star Michael Vaughn Shaw X-Ray Tech Mike Guest Star Lilah Richcreek Estrada Dr. Nellie Cuevas Guest Star John Henry Ward David Sullivan Guest Star Karin Anglin Patty Sullivan Guest Star Madison Dirks Eric Sullivan Guest Star Bryan Coffee Dr. Edward Horowitz Guest Star Mike Jimerson Bogdan Kostovic Guest Star Tim Hopper Tom Van Meter Guest Star Khaki Pixley Fitzgerald 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, Director