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 Conor Perkins Dr. Zach Hudgins Guest Star Henderson Wade Dr. Loren Johnson Guest Star Beth Lacke Dr. Margo Collins Guest Star Elena Victoria Feliz Kendall Miller Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Michael Vaughn Shaw X-Ray Tech Mike Guest Star Kathleen Czajkowski X-Ray Tech Kathleen Guest Star Courtney Rioux Paramedic Courtney Guest Star Sarah Brooks Paramedic Juliette Guest Star Quetta Carpenter Dr. Valerie Clark Guest Star Andy Cohen Nathan Bishop Guest Star Mariah Robinson Mallory Bates Guest Star T.J. Thyne Greg Sanders Guest Star Jessica Joy Florence Sanders Guest Star Sam Mullaney Perry Eastman Guest Star Dan Rodden McKendry Transplant Surgeon Bernard Kenswick Guest Star Preston Shuttlesworth Esquire Cyclist 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 Bethany Rooney Director Eli Talbert Writer