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 Nate Santana Dr. Jimmy Lanik Guest Star Jill Abramovitz Susan Charles Guest Star Scarlett Wand Anna Charles Guest Star Charles Malik Whitfield Ben Campbell Guest Star Christopher Farrar August "Auggie" Anderson Guest Star Regan Rohde Carol Conte Guest Star Ari Morgan Owen Jeffrey Manning Guest Star Lorena Diaz Nurse Doris Guest Star Ericka Ratcliff Maxine Carter Guest Star Steven Weber Dr. Dean Archer Guest Star Eric Epps Antoine Carter 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 John Polson Director Safura Fadavi Writer Meridith Friedman Writer