A prince, aiming to avoid an unwanted marriage, hires an American as a double to evade his pursuing father.
| Actor | Role |
|---|---|
 Maurice CostelloPrince Oscar / Barry Lawrence | Prince Oscar / Barry Lawrence |
 Norma TalmadgeShirley Rives | Shirley Rives |
 Howard HallKing Gustave | King Gustave |
 Anders RandolfBaron Hagar | Baron Hagar |
| TThomas R. MillsPeter Hart | Peter Hart |
| TTom BrookeMinister of State (as Thomas Brooke) | Minister of State (as Thomas Brooke) |
| DDaniel LeightonDetective Brennan | Detective Brennan |
 Anna LaughlinIsabelle Hart | Isabelle Hart |
| LLeila BlauMrs. Wilmerding | Mrs. Wilmerding |