Michael Brandt Creator, Executive Producer Derek Haas Creator, Executive Producer Matt Olmstead Creator Dick Wolf Creator, Executive Producer Jason Beghe Sergeant Hank Voight Actor Patrick Flueger Officer Adam Ruzek Actor LaRoyce Hawkins Officer Kevin Atwater Actor Elias Koteas Detective Alvin Olinsky Actor Jon Seda Detective Antonio Dawson Actor Jesse Lee Soffer Detective Jay Halstead Actor Marina Squerciati Officer Kim Burgess Actor Amy Morton Desk Sgt. Trudy Platt Actor Tracy Spiridakos Detective Hailey Upton Actor Scott Bryce Congressman Scott Graynor Guest Star Zach Appelman Matt Miller Guest Star Wendell Pierce Ray Price Guest Star AlexAnn Hopkins Olene Guest Star Ty Jones Brian Macklin Guest Star Ana K. Alexander Irina Petrova Guest Star Kathy Scambiatterra Medical Examiner Guest Star Ryan Czerwonko Alex Guest Star Rachel Sledd Hotel Manager 1 Guest Star Peter Jankowski Executive Producer Danielle Gelber Executive Producer Joe Chappelle Executive Producer Terry Miller Producer Michele Greco Producer Maisha Closson Producer Mark Tinker Director Nick Gomez Director Craig Gore Writer Tim Walsh Writer Rohn Schmidt Cinematographer