Guest Stars Jessica Camacho as Petty Officer Pilar Cortez Michael Ng as Sonarman Cameron Pitts David Rees Snell as Petty Officer Barry Hopper Bruce Davison as Admiral Arthur Shepard Omid Abtahi as Nigel Chin Han as Zheng Li Ernie Hudson as Speaker of the House Conrad Buell David Starzyk as Jack Tyne Pat Skipper as General Tom Ashland Michael Shamus Wiles as General MacAvoy Colby French as Captain Evan Thorn Co Starring Daniel Bess as Lt. Chris Cahill Darri Ingolfsson as Robert Mitchell Michael King as Hawkes Jesse Luken as Wallace Dean Kaneshiro as Jake Floyd Nicholas Copley as Sailor