When Prince Danilo falls in love with American dancer Sally O'Hara, his uncle, King Nikita I of Monteblanco, forbids him to marry her because Sally is a commoner. Thinking she has been jilted by her prince, Sally marries wealthy Baron Sadoja. When the elderly man dies suddenly, Sally must be wooed all over again by Danilo.
as Sally O'Hara - The Merry Widow
as Prince Danilo Petrovich
as Crown Prince Mirko
as Queen Milena
as King Nikita
as Baron Sadoja
as Ambassador
as Ballroom Dancer (uncredited)
as Danilo's Footman (uncredited)
as Danilo's Adjutant (uncredited)
as Orchestra Leader (uncredited)
as Sadoja's Chambermaid (uncredited)
as Madonna (uncredited)
as Doorkeeper (uncredited)
as Frenchie Christine (uncredited)