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.
Sally O'Hara - The Merry Widow
Prince Danilo Petrovich
Crown Prince Mirko
Queen Milena
King Nikita
Baron Sadoja
Ambassador
Ballroom Dancer (uncredited)
Danilo's Footman (uncredited)
Danilo's Adjutant (uncredited)
Orchestra Leader (uncredited)
Sadoja's Chambermaid (uncredited)
Madonna (uncredited)
Doorkeeper (uncredited)
Frenchie Christine (uncredited)