Guest Stars Seamus Dever as Deputy Director Gabriel LaRoche Demetrius Grosse as Lieutenant Merritt Hastings Garrett Hines as Marine Lance Corporal Samuel Cross Sommer Carbuccia as Marine Lance Corporal Brian Zanella Boyana Balta as Emily Cross Cameron Bender as Martin Gates Co Starring Ramsey Thoms as Marine Lance Corporal Evan Cross Derek Anthony as NCIS Maintenance Worker Lennox Kincaid
