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 Li Jun Li Julie Tay Guest Star Ian Bedford Commander Ed Fogel Guest Star Brian Tee Ethan Choi Guest Star Samuel Hunt Greg Gerwitz Guest Star Barbara Eve Harris Emma Crowley Guest Star Sam Straley Nathan Ward Guest Star Norm Boucher Ron Murphy Guest Star Michael B. Woods Bobby Trent Guest Star Jordane Christie Michael Hudson Guest Star Antonio St. James Kenneth Waddell 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