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 Billy Burke Phillip Stroh Guest Star Jonathan Del Arco Dr. Fernando Morales Guest Star Ransford Doherty Kendall Guest Star Amanda Warren Claire Baldwin Guest Star James B. Sikking Judge Edward Crosby Guest Star Julia Whelan Natalie Gilbert Guest Star Scott Michael Morgan George Harris Guest Star Alex Solowitz Tommy Guest Star Ryan Bittle Charlie Guest Star Karen Lew Court Clerk Guest Star Steve Robin Director Steven Kane Writer