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 Brian Geraghty Officer Sean Roman Actor Erik LaRay Harvey Devon Tucker Guest Star Chris Agos ASA Steve Kot Guest Star Chris Allen Junkyard Worker Guest Star Michael Gaston Parish Guest Star Kevin J. O'Connor Commander Fischer Guest Star Marsha Stephanie Blake Janice Watkins Guest Star Brett Matthews Lyle Guest Star Matt Rockwood Wright Guest Star Justin Cornwell James Grant Guest Star Eric Lane Carter Guest Star Zoe Ishmael Vinessa Atwater Guest Star Jim Cantafio Joe Pineiro Guest Star John Judd Warden John Riggs Guest Star James Farruggio Special Agent Eric Collins Guest Star Byron Glenn Willis Demarcus 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