23/03/1923
Overview
The industrialist's daughter has been kidnapped by the mad inventor Ravello, but Harry Peel stays hot on their trail with the help of his dog Greif. Behind a waterfall, he discovers the hidden gate to Ravello's castle, where the fiercest of battles now break out between the two and Harry finds himself confronted with a staircase that has been electrified and, once again, with the deadly robot.
Apex Film Company Limited

IMDb: https://www.imdb.com/title/tt0461535
Wikipedia: https://www.wikidata.org/wiki/Q56277929
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