Michael Brandt Creator, Executive Producer Derek Haas Creator, Executive Producer Matt Olmstead Creator, Executive Producer Dick Wolf Creator, Executive Producer Jason Beghe Sergeant Hank Voight Actor Patrick Flueger Officer Adam 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 Tracy Spiridakos Detective Hailey Upton Actor Nick Gehlfuss Dr. Will Halstead Guest Star Taylor Kinney Kelly Severide Guest Star Brian Tee Dr. Ethan Choi Guest Star S. Epatha Merkerson Sharon Goodwin Guest Star Eamonn Walker Wallace Boden Guest Star Annie Ilonzeh Emily Foster Guest Star Peter Jankowski Executive Producer Danielle Gelber Executive Producer Joe Chappelle Executive Producer Terry Miller Producer Michele Greco Producer Maisha Closson Producer Mark Tinker Director Nick Gomez Director Craig Gore Writer Tim Walsh Writer Rohn Schmidt Cinematographer Timothy J. Sexton Writer