Matt Olmstead Creator, Executive Producer Dick Wolf 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 Stan Shaw Dr. George Thomas Guest Star Devin Kawaoka Dr. Kai Tanaka-Reed Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Luigi Sottile Sean Archer Guest Star Alet Taylor Liliana Wapniarski Guest Star Kristof Konrad Pawel Wapniarski Guest Star Dan Bucatinsky Richard Evans Guest Star Ali Hillis Vickie Evans Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Tonray Ho Admitting Clerk Leah Guest Star Michael Vaughn Shaw X-Ray Tech Mike Guest Star Cesar Jaime Paramedic Cesar Guest Star Courtney Rioux Paramedic Courtney Guest Star Destiny Hernandez Barista Carly Guest Star Alysha Umphress Jan Dover Guest Star Nate Torrence Tim Boyd Guest Star Madison Brooke Pam Boyd Guest Star Cereyna Jade Scrub Nurse Lisa Guest Star Frank David Nall Joe 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 Nikki Taylor-Roberts Director Eli Talbert Writer Danny Weiss Writer