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 Jesse Lee Soffer Detective Jay Halstead Actor Marina Squerciati Officer Kim Burgess Actor Amy Morton Desk Sgt. Trudy Platt Actor Taylor Kinney Kelly Severide Guest Star Jesse Spencer Matthew Casey Guest Star Christian Stolte Randall McHolland Guest Star Sasha Smith Elsa James Guest Star Timothy V. Murphy Zadra Guest Star Chris Agos ASA Steve Kot Guest Star Mike Schminke Greene Guest Star Matthew James Ballinger Mike Cox 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