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 Cassandra Jean Olivia Prescott Guest Star Matt Angel Allen Wilson Guest Star Scout Taylor-Compton Emmy Thomas Guest Star Austin Butler Benjamin Gold Guest Star Cherilyn Wilson Becky Guest Star Audra Griffis Guest Star Samantha Sergeant Guest Star Paul Schackman Wendell Andrews Guest Star Jeremy Glazer Mr. Booker Guest Star Christina Prousalis Guest Star Robert Neary Guest Star Timi Prulhiere 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 Matthew Levine Writer Matt Earl Beesley Director