1972/07: The Happiness Cage aka The Mind Snatchers 1972

 Trailer:

Watch movie:

https://youtu.be/a3CKL_jySmY?si=7BkzIvlj68Ox9_BJ 

 https://en.wikipedia.org/wiki/The_Happiness_Cage

https://every70smovie.blogspot.com/2015/11/the-mind-snatchers-1972.html 

https://walkenchronicles.com/2012/03/29/the-mind-snatchers-1972/ 

https://markdavidwelsh.wordpress.com/2016/12/12/the-happiness-cagethe-mind-snatchers-1972/