The biggest way to make a thriller movie even more intense is to condense the time frame and make the hero have to win or lose in the shortest time possible. When the entire action takes place in only one night, that turns a tough situation into a thrilling fight for survival where the hero might never live to see the sun rise. This is the ultimate ticking clock in a movie, and there are some movies that mastered this technique. The biggest form of this type of thriller comes when there are antagonists who are trying to kill or...