His Royal Slyness (1920) (movie): An American book salesman (Lloyd) is persuaded to go to the kingdom of Thermosa to impersonate the Prince. He is greeted by a peasants' revolt before the real prince shows up to claim his throne and princess. The revolution succee... Discover the latest Discussions, Reviews, Quotes, Theories, Explanations and Analysis of His Royal Slyness (1920) below