本片《特工威龙》HD中字别名《固守沉默》是由导演罗伯特·李执导，主演布莱恩·伯茨沃斯等一起参与演出的一部动作片，美国地区，类型动作，年份2000，本片讲述的是：A CIA agent who, while on assignment in Russia shortly before the fall of the Soviet Union, is captured by KGB forces and placed in a mental hospital. Eleven years later, Carville is given a chance to earn his freedom.