Arn is one of my favorites, because of how they used the languages of the land throughout the movie, causing the story to resonated with authenticity. Instead of everyone speaking "my language" I felt the geographic and ethnic shift as the words flowed from Latin to Swedish, to Arabic, back to Swedish!
Dirty Harry (1971) When a madman dubbed the "Scorpio Killer" terrorizes San Francisco, hard-boiled cop Harry Callahan (Clint Eastwood) -- famous for his take-no-prisoners approach to law enforcement -- is tasked with hunting down the psychopath. Harry eventually collars Scorpio in the process of rescuing a kidnap victim, only to see him walk on technicalities. Now, the maverick detective is determined to nail the maniac himself.