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 Samuel Hunt Greg Gerwitz Guest Star S. Epatha Merkerson Sharon Goodwin Guest Star Eamonn Walker Wallace Boden Guest Star Barbara Eve Harris Emma Crowley Guest Star Ser'Darius Blain Brian Johnson Guest Star Cyrus Farmer Reverend Pembelton Guest Star Chris Agos ASA Steve Kot Guest Star Desmond Gray Paramedic Desmond Guest Star Zach Garcia Diego Dawson 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