L'espion
An American scientist is sent by the CIA to East Germany to retrieve a secret microfilm from a Soviet scientist interested in defecting to the West but the Stasi secret police's surveillance complicates matters.
Starring Montgomery Clift, Hardy Krüger, Macha Méril, David Opatoshu, Christine Delaroche, Hannes Messemer, Karl Lieffen, Uta Levka, Roddy McDowall, Johannes Buzalski
It's a drama and action & adventure movie, and has a rating of 5.7 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Argentina.