# Haldane of the Secret Service

> 1923 film by Harry Houdini

**Wikidata**: [Q3782536](https://www.wikidata.org/wiki/Q3782536)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Haldane_of_the_Secret_Service)  
**Source**: https://4ort.xyz/entity/haldane-of-the-secret-service


## References

1. Kinopoisk
2. Entertainment Identifier Registry
3. Online-Filmdatenbank
4. The Movie Database
5. Trakt.tv