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 Taylor Kinney Kelly Severide Guest Star Sydney Tamiia Poitier Detective Sumners Guest Star Eamonn Walker Wallace Boden Guest Star Amanda Righetti Dr. Holly Whelan Guest Star Charlie Barnett Peter Mills Guest Star Lauren German Leslie Shay Guest Star Joe Minoso Joe Cruz Guest Star Randy Flagler Capp Guest Star Avi Lake Imogene Guest Star Aimee Laurence Zoey Silver Guest Star Jay Karnes FBI Agent William Graff Guest Star Dylan Baker Dr. David Arata Guest Star Brett Schneider Patrick Vaughn Guest Star Erik Hellman Dr. Alec Willhite Guest Star Leena Kurishingal O.R. Nurse 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