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 Brennan Brown Dr. Samuel "Sam" Abrams Guest Star T.V. Carpio Dr. Grace Song Guest Star Stan Shaw Dr. George Thomas Guest Star Conor Perkins Dr. Zach Hudgins Guest Star Devin Kawaoka Dr. Kai Tanaka-Reed Guest Star Alet Taylor Liliana Wapniarski Guest Star Luigi Sottile Sean Archer Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Lynnette Li Nurse Nancy Guest Star Renelle Nicole Nurse Trisha Guest Star Matthew Isler Paramedic Matt Guest Star Sarah Brooks Paramedic Juliette Guest Star Kristof Konrad Pawel Wapniarski Guest Star Daniel Durant Aiden Rogers Guest Star Colleen Foy Sandy Rogers Guest Star Kristen DeVore Rakes Kimberly Wray Guest Star Gene Weygandt Vernon Welles Guest Star Preston Tate Jr. Brendan Metz Guest Star Lucinda Johnston Phyllis Welles Guest Star Connor William Green Surgical Resident Liam 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 Tess Malone Director Stephen Hootstein Writer Daniel Sinclair Writer