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 Ian Bohen Edwin Stillwell Guest Star Sydney Tamiia Poitier Detective Sumners Guest Star Robert Wisdom Ron Perry Guest Star José Ramón Rosario Uncle Papo Guest Star Melissa Carlson Meredith Olinsky Guest Star Joey Auzenne Calaca Guest Star Don Forston Phil Rodiger Guest Star Samuel A. Brice TMac Pierce Guest Star Ed Flynn Detective Stark Guest Star Anne Jacques Grandma Mandy Guest Star Greta Oglesby Rhonda Thompson Guest Star Matthew Sherbach Lonnie Rodiger Guest Star Jacqueline Williams Officer Becerra Guest Star Alex Weisman Chout Guest Star Peter Oyloe Kenneth 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