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 Nate Santana Dr. Jimmy Lanik Guest Star Tehmina Sunny Dr. Sabeena Virani Guest Star Jill Abramovitz Susan Charles Guest Star Lorena Diaz Nurse Doris Guest Star Marie Tredway Nurse Trini Guest Star Elena Marisa Flores Officer Rosado Guest Star Caitlan Taylor Paramedic Michelle Guest Star Anthony Irons Alvin Booker 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 Mykelti Williamson Director Jeff Drayer Writer Gabriel L. Feinberg Writer