On: Released 50 years ago, “Soylent Green” is an eerie prophecy

  'Fritz Lang's Metropolis'

Metropolis (1927 film) : https://en.wikipedia.org/wiki/Metropolis_(1927_film)

Fritz Lang's Films - IMDb : https://www.imdb.com/list/ls006049088/

Fritz Lang Filmography : https://en.wikipedia.org/wiki/Fritz_Lang_filmography