Guest Stars Justine Cotsonas as Alex Hunt Derek Klena as Lt. Adam Turnbull Aaron Tveit as Matt Dobbins Brian O'Neill as Lt. Col. Noel Tally Sherman Howard as General Geiger De'Adre Aziza as Nona Ferry Sharon Washington as Tiffany Dixon-Green Quentin Earl Darrington as Col. Kent Soldier Will Hochman as Sgt. Jacob Kalb Shiva Kalaiselvan as Krista/Bartender Bhavesh Patel as Dr. Rayburn Shannon Marie Sullivan as Kimber Spratt Stan Demidoff as Vaclav Brendan Patrick Connor as Det. Conrad Celeste Arias as Nina Stanhope Christopher Cassarino as Garth Bader Teresa Avia Lim as Katya Johnny Wu as NCIS Agent Chong Co Starring Emma Sweeny as Daniella Hunt Kacie Sheik as Ally Steven Hauck as Yates Van Der Meer