Petronella (German: Petronella - Das Geheimnis der Berge) is a 1927 German-Swiss silent historical film directed by Hanns Schwarz and starring Maly Delschaft, William Dieterle and Oskar Homolka.

[1] The film's sets were designed by the art director Uwe Jens Krafft.

It was shot at the Babelsberg Studios in Berlin.

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