Gary Sinise Det. Mack "Mac" Taylor Actor Melina Kanakaredes Det. Stella Bonasera Actor Carmine Giovinazzo Det. Danny Messer Actor Hill Harper Dr. Sheldon Hawkes Actor Eddie Cahill Det. Donald Flack, Jr. Actor Robert Joy Dr. Sid Hammerback Guest Star Kerr Smith Drew Bedford Guest Star Eddie Driscoll Hal Weston Guest Star Erin Daniels Det. Brennan Guest Star Mykelti Williamson Chief Brigham Sinclair Guest Star Frank Grillo Jimmie Davis Guest Star Walker Curry Young Mac Taylor Guest Star Dave Marlin Young Jimmie Davis Guest Star Houston Hooker Young Will Davis Guest Star Bryan Becker Bobby Toole Guest Star Garrett Ryan Young Drew Bedford Guest Star Jerry Bruckheimer Executive Producer Carol Mendelsohn Executive Producer Ann Donahue Executive Producer Anthony Zuiker Executive Producer Danny Cannon Executive Producer Andrew Lipsitz Executive Producer Pam Veasey Writer Zachary Reiter Writer Anthony Hemingway Director