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