Guest Stars Gabrielle Walsh as Sofia Andrew Howard as Ranier Boothe Lakin Valdez as Hugo Vargez Co Starring Jose Miguel Vasquez as Martin Urzua Don R. Williams as Secretary of Defense 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 Jack Forcinito as National Security Advisor