IMDB - https://www.imdb.com/title/tt7175968

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GENERAL INFO
Genre: Drama
Leon Prudovsky
Stars: David Hayman, Udo Kier, Danharry Colorado, Jaime Correa, Olivia Silhavy
South America, 1960. A lonely and grumpy Holocaust survivor convinces himself that his new neighbor is none other than Adolf Hitler. Not being taken seriously, he starts an independent investigation to prove his claim, but when the evidence still appears to be inconclusive, Polsky is forced to engage in a relationship with the enemy in order to obtain irrefutable proof.