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 Yaya DaCosta Nurse April Sexton Actor Brian Tee Dr. Ethan Choi Actor Torrey DeVitto Dr. Natalie Manning Actor Marlyne Barrett Maggie Lockwood Actor Dominic Rains Dr. Crockett Marcel Actor Joe Minoso Joe Cruz Guest Star Kara Killmer Sylvie Brett Guest Star Hanako Greensmith Violet Makami Guest Star Steven Weber Dr. Dean Archer Guest Star Tehmina Sunny Dr. Sabeena Virani Guest Star Regan Rohde Carol Conte Guest Star Scarlett Wand Anna Charles Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Carlos Rogelio Diaz Nurse Hank Guest Star Cesar Jaime Paramedic Cesar Guest Star Courtney Rioux Paramedic Courtney Guest Star Desmond Gray Paramedic Desmond Guest Star Cordelia Dewdney Ramona Davis Guest Star Diane Frolov Executive Producer Andrew Schneider Executive Producer Derek Haas Executive Producer Arthur W. Forney Executive Producer Michael Brandt Executive Producer Michael Pressman Executive Producer Peter Jankowski Executive Producer Carl Weathers Director Melissa R. Byer Writer Treena Hancock Writer