Guest Stars Jessica Camacho as Petty Officer Pilar Cortez David Rees Snell as Petty Officer Barry Hopper Will Rothhaar as Petty Officer Josh Brannan Jay Karnes as Secretary of Defense William Curry Jay Hernandez as Paul Wells Michael Gaston as Bennett Sinclair Nazneen Contractor as Rena Kapur Cas Anvar as Pakistani Lt. Marzani Sam Page as Kylie's Brother Shaun Toub as Admiral Safir Ahsan Mitchell Fink as Derek Co Starring Daniel Bess as Lt. Chris Cahill Jason Quinn as Seaman Jones Isaac Gilmore as Fisher Shainu Bala as Kamal Marzani Sam Wood as Hondo Sam Merritt as Winer Jordan Kirkwood as 1st Mate Allen Cole as Boat Captain Fred Ochs as Dr. Oscar Nils