The Black Windmill (1974)
Overview : A British agent's son is kidnapped and held for a ransom of diamonds. The agent finds out that he can't even count on the people he thought were on his side to help him, so he decides to track down the kidnappers himself.
Release Date : May 17, 1974
Runtime : 106m
Genre : Thriller, Action, Crime
Companies : Universal Pictures, Zanuck/Brown Productions
Countries : United States of America
Keywords : london, england, paris, france, chase, diamond, ransom, underground, spy, subway, son, revenge, murder, vigilante, agent, gunrunner