![](https://image.tmdb.org/t/p/w342/uDrBh4qHEAYcYdVmqlAIeZaAxyn.jpg)
His Royal Slyness (1920)
A young adventurer trades places with a European prince and falls in love above his station.
Release Date: 1920-02-08
5.8/10
![themoviedb.org themoviedb icon](https://movie-intelligence.com/assets/images/tmdb.png)
- Country: US
- Language: No Language
- Runtime: 27
(uncredited)
The American Boy
The Prince's tutor
Princess Florelle
Prince of Rochquefort
Courtier
The Vamp
Courtier
Queen Razzamatazz
King Razzamatazz / Bolshevik orator
The Prince
Man who won't buy books
Prince of Rochquefort
![](https://image.tmdb.org/t/p/w300/eLAxu4xF8kroNEk7TKg3lIweVUg.jpg)
![](https://image.tmdb.org/t/p/w300/oirAFkseoI2bufFpO9D1MXvDd5E.jpg)
![](https://image.tmdb.org/t/p/w300/9exCPvJOoMDgsN1K2707LSFHhyy.jpg)
![](https://image.tmdb.org/t/p/w300/pzrBeW3ttzDoUsO9R5avtfUDaoE.jpg)