The Monster of London City (1964)

He stalks the city of Sex and Sin!

Then the spirit of Jack the Ripper seems to be very much alive in 1960s London as a series of brutal slayings by the Monster of London City has Scotland Yard baffled. In a macabre coincidence, a new play about the famous murderer is about to become a major West End hit... and the leading man is rapidly becoming the prime suspect!