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 Bokeem Woodbine Derek Keyes Guest Star Yuri Sardarov Brian Zvonecek Guest Star Markie Post Barbara 'Bunny' Fletcher Guest Star Nick Gehlfuss Will Halstead Guest Star Samuel Hunt Greg Gerwitz Guest Star Clancy Brown Eddie Little Guest Star Tyrone Brown Benji 'Bones' Keyes Guest Star Rogelio Douglas Jr Kris Guest Star Madison McLaughlin Michelle Sovana Guest Star Antonio Brunetti Jo-Jo Guest Star Robert Belushi Landon Vanick 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