"A Hollywood actor visits a mythical country where he looks like the king and confuses the queen."
Carl Brisson
as King Rudolf XIV / Carlo Rocco
Mary Ellis
as Elaine, the Queen of Langenstein
Edward Everett Horton
as Count Josef 'Peppi' von Schlapstaat
Katherine DeMille
as Fraülein Mimi
Eugene Pallette
as Conrad Q. Conley
Arnold Korff
as Baron Kraemer, Lord Chamberlain
Marina Koshetz
as Steffi
Rosita
as Ilonka
Stanley Andrews
as Count Batthy
Jane Wyman
as Chorine on Train (uncredited)
Edwin Maxwell
as First Gentleman
Frank Tuttle
Director
Screenplay
Frederick Stephani
Adaptation
