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 Tehmina Sunny Dr. Sabeena Virani Guest Star Brennan Brown Dr. Samuel "Sam" Abrams Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Scarlett Wand Anna Charles Guest Star Charles Malik Whitfield Ben Campbell Guest Star Jodi Kingsley Madeline Gastern Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Lynnette Li Nurse Nancy Guest Star Kroydell Galima Tech Gene Guest Star Courtney Rioux Paramedic Courtney Guest Star Desmond Gray Paramedic Desmond Guest Star Kiera Prinz Kelly Bissett 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 Milena Govich Director Melissa R. Byer Writer Treena Hancock Writer