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 Philip Winchester Peter Stone Guest Star Taylor Kinney Kelly Severide Guest Star Eamonn Walker Chief Wallace Boden Guest Star Jon Seda Antonio Dawson Guest Star Melissa Carlson Meredith Olinsky Guest Star Nick Gehlfuss Dr. Will Halstead Guest Star Torrey DeVitto Dr. Natalie Manning Guest Star Marlyne Barrett Maggie Lockwood Guest Star Kara Killmer Sylvie Brett Guest Star Brian Tee Ethan Choi Guest Star Esai Morales Chief Lugo Guest Star Peter Coventry Smith Dylan Oates Guest Star Amanda Marcheschi Nurse Dina 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