Gary Sinise Det. Mack "Mac" Taylor 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 Emmanuelle Vaugier Detective Jessica Angell Guest Star Meg Cionni Marie Lowe Guest Star Ashley Cusato Laurel Downs Guest Star Eyal Podell Colin Clark Guest Star Bonnie McKee Eleanor Ravelle Guest Star Nichole Galicia Kara Garland Guest Star Alex Band Trey Fager Guest Star Mackenzie Firgens Nurse Guest Star Scott Sacks Guitarist Guest Star Sharon June Little Singer 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 Sam Humphrey Writer David Barrett Director