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 Sasha Roiz Jack Dayton Guest Star Lilah Richcreek Estrada Dr. Nellie Cuevas Guest Star Ivan Shaw Dr. Justin Lieu Guest Star Mishael Morgan Dr. Petra Dupre Guest Star Conor Perkins Dr. Zach Hudgins Guest Star Alet Taylor Liliana Wapniarski Guest Star Marc Grapey Peter Kalmick Guest Star Lorena Diaz Nurse Doris Guest Star Lynette Li Nurse Nancy Guest Star Matthew Isler Paramedic Matt Guest Star Laura Gardner Martha Kittle Guest Star Albert Rutecki Alexander Kittle Guest Star Emma Kennedy Sophia Eastman Guest Star Joel Gelman Glen Eastman Guest Star Aimee Parker Cindy McCoy Guest Star Liam Quealy Brandon Thompson Guest Star Erinn Fredin Tiffany Thompson Guest Star Frederick Paul Wiliams Roy Tooley Guest Star Emma Jo Boyden Publicist Jocelyn Atwell Guest Star Tom Goodwin Sheriff Miles Parker Guest Star Jesi Mullins Deputy Kayla Russell Guest Star Daryn Whitney Harrell Flight Medic Chelsea Anderson 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 Daniel Sinclair Writer Ryan Michael Johnson Writer