Guest Stars Boti Bliss as DNA Analyst Maxine Valera Brendan Fehr as Audio/Visual Tech Dan Cooper Rob Estes as Nick Townsend Michael Trevino as Matthew Batra Cara Pifko as Donna Hicks Robert Hoffman as Brad Hoffman Charles Hittinger as Derrick Perry Ethan Erickson as Sgt. Sean Reynolds Andrew Borba as Major Brenton Charles Duckworth as Corporal Kevin Kirby Monnae Michaell as Mrs. Kirby Co Starring Josue Aguirre as ND Marine Jayson Floyd as Sgt. Timothy Hicks Corey Feinstein as Soldier