哨兵HD由迈克尔·帕尔,杰森·R·摩尔,Ellie Patrikios,Denitza Diakovska,Neil Cole,Paolo Mazzini,John Stewart Arnold,Ivan King出演，导演是Stefano Milla，哨兵剧情介绍：<p>Years after an alien invasion almost extinguished human mankind, refugee on a secret base on the Moon, three heroes decide to jump into a time travel in the desperate attempt to save the survivors but they don't know that the Sentinel is waiting for them.</p>
