Behind Monastery Walls (German: Hinter Klostermauern) is a 1952 West German drama film directed by Harald Reinl and starring Olga Chekhova, Philip Dorn and Katharina Mayberg.

[1] It takes place in a priory and is sometimes known by the alternative title of The Unholy Intruders.

The film's sets were designed by the art directors Robert Herlth and Gottfried Will.

Having no home, he chooses to live in an seemingly abandoned priory.

However, the nuns then return to the site, leading to conflict over his wayward lifestyle.