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 Courtney B. Vance Chief Tommy Delk Guest Star Rockmond Dunbar Antwone Decker Guest Star Ciera Payton Keisha Murphy Guest Star Ransford Doherty Kendall Guest Star Page Kennedy DeAndre Harmon Guest Star David Costabile Mr. Braddock Guest Star MC Reason Chris "C-Game" Brooks Guest Star Sandi McCree Florence Harmon Guest Star Buddy Sosthand Giz Voice Chrystina Sayers Dancer No. 1 Guest Star Chelsea Traille Dancer No. 2 Guest Star Porscha Coleman Dancer No. 3 Guest Star Alicia Marie Video Vixen, Dancer Guest Star Nelson McCormick Director Michael Alaimo Writer