Kyra Sedgwick Deputy Chief Brenda Johnson Actor J.K. Simmons Asst. Chief Will Pope Actor Corey Reynolds Sgt. David Gabriel Actor Robert Gossett Commander Taylor Actor G.W. Bailey Det. Lt. Provenza Actor Anthony John Denison Det. Lt. Andy Flynn Actor Michael Paul Chan Det. Mike Tao Actor Raymond Cruz Det. Julio Sanchez Actor Phillip P. Keene Buzz Actor Mary McDonnell Captain Sharon Raydor Actor Jon Tenney Special Agent Fritz Howard Actor Ransford Doherty Kendall Guest Star Amanda Warren DDA Claire Baldwin Guest Star Shanti Lowry Ann Mason Guest Star Kira Sternbach Jenna Bateman Guest Star Scott Michael Foster Luke Bower Guest Star Matt Malloy Mr. Bateman Guest Star Jane Carr Caroline Lovitz Guest Star Billy Mayo Lt. Bobby Towne Guest Star Monique A. Green Girl Guest Star Joe Rios Officer No. 1 Guest Star Doug Kirkland Officer No. 2 Guest Star Steve Roussell Tactical Flight Officer Guest Star Michael M. Robin Director Steven Kane Writer Jim Leonard Writer