Guest Stars Melanie Scrofano as Captain Marie Batel Dan Jeannotte as Lieutenant George Samuel "Sam" Kirk Carol Kane as Commander Pelia Chris Myers as Medical Ensign Dana Gamble Cillian O'Sullivan as Dr. Roger Korby Mynor Luken as Umberto "Beto" Ortegas Co Starring Ish Morris as N'Jal David MacInnis as Rex
