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 Steven Weber Dr. Dean Archer Guest Star Tehmina Sunny Dr. Sabeena Virani Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Jaq Seifert Dr. Nic Young Guest Star Regan Rohde Carol Conte Guest Star Asjha Cooper Vanessa Taylor Guest Star Lorena Diaz Nurse Doris Guest Star Lynnette Li Nurse Nancy Guest Star Emily Marso Nurse Susie Guest Star Kroydell Galima Tech Gene Guest Star Thea Camara Lab Tech Irma Guest Star Courtney Rioux Paramedic Courtney Guest Star Cordelia Dewdney Ramona Davis Guest Star Brit Whittle Mark Kline Guest Star Connor Griffin James Barton Guest Star Stephanie Andrea Barron Hillary Barton Guest Star Mark Livingston Kent Taylor Guest Star Jeanne Sparrow Bea Taylor Guest Star Kelly Anne Clark Dr. Anne Garner 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 Michael Waxman Director Jeff Drayer Writer