Jason Beghe Sergeant Hank Voight Actor Sophia Bush Detective Erin Lindsay Actor Patrick Flueger Officer Kyle Ruzek Actor LaRoyce Hawkins Officer Kevin Atwater Actor Archie Kao Detective Sheldon Jin 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 Alina Jenine Taber Lexi Olinsky Guest Star Amy Morton Trudy Platt Guest Star Stella Maeve Nadia Decotis Guest Star Josh Segarra Justin Voight Guest Star Molly Pan Lissa Guest Star Kevin Michael Doyle Commander Steve Burtt Guest Star Tom Hickey Agent Hill Guest Star Howie Johnson Sgt. Conroy Guest Star Tara Mallen Renee Evans Guest Star Lucas Marx Brayden Guest Star Steve O'Connell Dean Masters Guest Star Alexis J. Rogers-Jackson Principal Brenner Guest Star Matthew Sherbach Lonnie Guest Star Paige Smith Adam Mazur Guest Star R. Charles Wilkerson Pastor Mike 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