His Royal Slyness

A young adventurer trades places with a European prince and falls in love above his station.

• Hal RoachDirector
• H.M. WalkerWriter

• Harold LloydThe American Boy
• Mildred DavisPrincess Florelle
• Harry 'Snub' PollardPrince of Rochquefort
• Gus LeonardKing Razzamatazz / Bolshevik orator
• Noah YoungThe Prince's tutor
• Roy BrooksCourtier
• William GillespieCourtier
• Helen GilmoreQueen Razzamatazz
• Gaylord LloydThe Prince
• Marie MosquiniThe Vamp
• Charles StevensonMan who won't buy books
• Robert Emmett O'Connor(uncredited)