Guest Stars Jocko Sims as Lt. Carlton Burk Michael Curran-Dorsano as Gator Mejia Maximiliano Hernández as Doc Rios John Pyper-Ferguson as Tex Nolan Ness Bautista as Javier Cruz Chris Sheffield as Comms Officer Will Mason Andy T. Tran as Lt. Andy Chung Hope Olaide Wilson as Bertrise Alice Coulthard as Kelly Tophet Ebon Moss-Bachrach as Neil Sorenson Ravil Isyanov as Admiral Konstantin Nikolajewitsch Ruskov Ilia Volok as Dimitri Eugene Alper as Russian Officer