Gary Sinise Unit Chief Jack Garrett Actor Alana De La Garza Clara Seger Actor Daniel Henney Matthew Simmons Actor Tyler James Williams Russ "Monty" Montgomery Actor Annie Funke Mae Jarvis Actor Lothaire Bluteau Guest Star Ivo Nandi Guest Star Elisabeth Hower Guest Star Cherish Monique Duke Guest Star Hadeel Sittu Guest Star Meredith Riley Stewart Guest Star Kate Hamilton Guest Star Anna Campbell Guest Star Daniel Messier Guest Star A Leslie Kies Guest Star Mark Gordon Executive Producer Erica Messer Executive Producer Nicholas Pepper Executive Producer Ticona Joy Writer Constantine Makris Director