The Rambo series is a series of popular action-drama films all centering around the life and times of John Rambo, a traumatized former green beret and vigilante mercenary, who uses his survival skills to save the lives of others and bring justice to those who wish to harm those close to him, who are very few people. They all star Sylvester Stallone, and the character of Rambo saved his career. There are four feature films.