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 Robert Wisdom Ron Perry Guest Star Arturo Del Puerto Adres 'Pulpo' Diaz Guest Star Amy Morton Trudy Platt Guest Star Kurt Naebig Lt. Bruce Belden Guest Star Ian Bohen Edwin Stillwell Guest Star Sydney Tamiia Poitier Detective Sumners Guest Star Billy Wirth Charlie Guest Star Gabriel Ellis Gustav Munoz Guest Star Emily Peterson Wendy Guest Star Lisandra Tena Lina Ochoa Guest Star Sal Velez Jr. Benito Vadala 'The Cowboy' Guest Star Gregory Alexander Osberto Ochoa Guest Star Sammy A. Publes Marcos Robles Guest Star Ivan Vega Cell Phone Man Guest Star Lorrisa Julianus Young Ukrainian Woman Guest Star María Isabel Mrs. Heredia 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