Carlos Delargo, the banished son of a royal princess of Mandorra, is returned to the kingdom to be tried for a murder change. However, he is freed by King Lorenzo, whom bears a remarkable resemblance to Delargo. When the king is wounded by assassins sent by Napoleon, Delargo takes over the throne at the request of the Prime Minister in a plot to thwart the traitors. He also falls in love with Princess Teresa, the king's fiancée.
Anthony Dexter
Jody Lawrance
Gale Robbins
Anthony Quinn
Carl Benton Reid
Ron Randell
Fay Roope
Carleton Young
Ian MacDonald
Lester Matthews
Walter Kingsford
Donald Randolph
Mari Blanchard
Holmes Herbert
Barbara Brown