Oliver Platt Dr. Daniel Charles Actor S. Epatha Merkerson Sharon Goodwin Actor Nick Gehlfuss Dr. Will Halstead Actor Yaya DaCosta Nurse April Sexton Actor Colin Donnell Dr. Connor Rhodes Actor Brian Tee Dr. Ethan Choi Actor Torrey DeVitto Dr. Natalie Manning Actor Rachel DiPillo Dr. Sarah Reese Actor Gregg Henry Dr. David Downey Guest Star Marlyne Barrett Maggie Lockwood Guest Star Peter Mark Kendall Joey Thomas Guest Star Cynthia Addai-Robinson Dr. Vicki Glass Guest Star Quincy Dunn-Baker Aaron Taylor Guest Star Deron J. Powell Tate Jenkins Guest Star Michelle Mueller Nedra Taylor Guest Star Shane Patrick Kearns Levi Coleman Guest Star David Eigenberg Christopher Herrmann Guest Star Lorena Diaz Nurse Doris Guest Star Jeremy Shouldis Dr. Marty Peterson Guest Star Tonray Ho Leah Guest Star Mia Park Nurse Beth Guest Star Clare O'Connor Skyler Vance Guest Star Dick Wolf Executive Producer Matt Olmstead Executive Producer Michael Brandt Executive Producer Derek Haas Executive Producer Danielle Gelber Executive Producer Peter Jankowski Executive Producer Joe Chappelle Executive Producer