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 Jim Beaver Deputy Director Walter Atwood Guest Star Kim Rhodes Assistant Director Linda Barnes Guest Star John Farmanesh-Bocca Captain Basir Rifai Guest Star Jaimi Paige Amelia Delgado Guest Star Julian Acosta Edward Delgado Guest Star Mark Gordon Executive Producer Erica Messer Executive Producer Nicholas Pepper Executive Producer Adam Glass Executive Producer Christopher Barbour Writer Nina Lopez-Corrado Director