Jason Beghe Sergeant Hank Voight Actor Sophia Bush Detective Erin Lindsay Actor Patrick Flueger Officer Kyle 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 Chelcie Ross Robert Platt Guest Star Lilia Vassileva Natalie Guest Star Marlyne Barrett Maggie Lockwood Guest Star Colin Donnell Connor Rhodes Guest Star Barbara Eve Harris Emma Crowley Guest Star Gideon Emery Wade McGregor Guest Star Christian Stolte Randall McHolland Guest Star Matt DeCaro Officer Delaney Guest Star Keisha Champagne Virginia Cutler Guest Star Dick Wolf Executive Producer Matt Olmstead Executive Producer Michael Brandt Executive Producer Derek Haas Executive Producer Peter Jankowski Executive Producer Danielle Gelber Executive Producer Joe Chappelle Executive Producer