Guest Stars Andrew Howard as Ranier Boothe Gabrielle Walsh as Sofia Lakin Valdez as Hugo Vargez Co Starring Don R. Williams as Secretary of Defense Jack Forcinito as National Security Advisor Jose Miguel Vasquez as Martin Urzua Mark Sivertsen as Keller Phil Duran as Director of the CIA Zenobia Conkerite as Director of the NSA Mary R. Woods as White House Chief Jack O'Donnell as Chairman of the Joint Chiefs