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 Nick Wechsler Kenny Rixton Guest Star Li Jun Li Julie Tay Guest Star Barbara Eve Harris Emma Crowley Guest Star Nick Gehlfuss Will Halstead Guest Star Marlyne Barrett Maggie Lockwood Guest Star Chris Agos ASA Steve Kot Guest Star Samuel Hunt Greg Gerwitz Guest Star Celeste M Cooper Medical Examiner Guest Star Markie Post Barbara 'Bunny' Fletcher Guest Star Kathy Scambiatterra Medical Examiner Guest Star Esai Morales Chief Lugo 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 Lin Oeding Director