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Movie · 1920

The Hidden Code (1920)

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Adventure

The Hidden Code is a 1920 movie (Adventure). The Hidden Code was directed by Richard L'Estrange. There is currently no known legal streaming option for The Hidden Code in United States. Check back later or switch your region.

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Plot

Quirky chemist Eben Lamont has discovered a powerful new explosive and plans to turn it over to the government. Richard Leslie, the head of an explosives manufacturing company, offers to buy his new discovery, but Lamont turns him down. Afraid that his formula will be stolen by Leslie, Lamont uses invisible ink to tattoo part of the formula on his daughter Grace's shoulder. A spy for a foreign government finds out about it, kills Lamont and kidnaps Grace, hypnotizing her so she'll tell him where the formula is. She is rescued by Leslie in the nick of time, but her troubles, as it turns out, are not yet over.

Cast

Frequently asked questions

Where can I watch The Hidden Code?

There is currently no known legal streaming option for The Hidden Code in United States. Check back later or switch your region.

Who stars in The Hidden Code?

The main cast of The Hidden Code includes Grace Davison, Ralph Osborn, Richard L'Estrange and Clayton Davis.

Who directed The Hidden Code?

The Hidden Code was directed by Richard L'Estrange.

When was The Hidden Code released?

The Hidden Code was released on July 1, 1920.

What should I watch if I liked The Hidden Code?

If you enjoyed The Hidden Code, try The Brides of Fu Manchu, The Water Man, White Fang 2: Myth of the White Wolf and Sahara.

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Updated: October 26, 2026 ·