Blackmail (1974) is a Thriller film that follows a spoiled rich girl hatches a plot with her hippie friends to "kidnap" her so they can get a large ransom from her wealthy father. Blackmail is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 4.2 out of 10 from 6 votes. Fans of thriller movies may also want to explore similar titles below.