Gary Sinise Det. Mack "Mac" Taylor Actor Sela Ward Jo Danville Actor Carmine Giovinazzo Det. Danny Messer Actor Hill Harper Dr. Sheldon Hawkes Actor Eddie Cahill Det. Donald Flack, Jr. Actor Anna Belknap Det. Lindsay Monroe Messer Actor A.J. Buckley Adam Ross Actor Robert Joy Dr. Sid Hammerback Actor Natalie Martinez Detective Jamie Lovato Guest Star Megan Dodds Christine Whitney Guest Star Tara Summers Dr. Carly Emerson Guest Star Jake Thomas Steve Davis Guest Star Benjamin Ciaramello Sam Cross Guest Star Joe Nieves Robby Hull Guest Star Ariana Emnace Alexa Holdman Guest Star Harry Corrigan Guest Star Jay Boyer Guest Star Corsica Wilson Guest Star Devon Bagby Guest Star Valeska Mosich-Miller Guest Star Rosette Laursen Guest Star Sierra Hoyle 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 Steven Lilien Writer Bryan Wynbrandt Writer