Dick Wolf Creator, Actor Matt Olmstead Creator, Actor Oliver Platt Dr. Daniel Charles Actor S. Epatha Merkerson Sharon Goodwin Actor Nick Gehlfuss Dr. Will Halstead Actor Brian Tee Dr. Ethan Choi Actor, Director Marlyne Barrett Maggie Lockwood Actor Dominic Rains Dr. Crockett Marcel Actor Henderson Wade Dr. Loren Johnson Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Marc Grapey Peter Kalmick Guest Star Daniel Dorr Robert "Sully" Sullivan Guest Star Lorena Diaz Nurse Doris Guest Star Michael Vaughn Shaw X-Ray Tech Mike Guest Star Courtney Rioux Paramedic Courtney Guest Star Matthew Isler Paramedic Matt Guest Star Ashlei Sharpe Chestnut Naomi Howard Guest Star Hope Lauren Lynne Murphy Guest Star Raymond Cham Jr. Jay Keene Guest Star Joe Holt Martin Keene Guest Star Moriah Martel Whitney Poole Guest Star Jennifer Cudahy Taylor Greene Guest Star Luis Cortes Barista 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 Gabriel L. Feinberg Writer Ryan Michael Johnson Writer