The Thrill Hunter (1926)

A novelist, Peter J. Smith (William Haines), while traveling in the Kingdom of Grecovia, is mistaken for the young boy king (Franke Darro), kidnapped and forced to marry Princess Zola (Alma Bennet) by castle plotters. He escapes, the bumbling Grecovian plotters dynamite themselves of existence,the Boy King takes the throne and marries Princess Zola, after the forced marriage has been annulled. And Peter marries Alice Maynard (Kathry McGuire), the daughter of his publisher T.B. Maynard (E.J. Radcliffe).