Marilyn Monroe appeared in a film.
Marilyn Monroe . By 1953 , Monroe was one of the most marketable Hollywood stars , with leading roles in three films : the noir Niagara , which focused on her sex appeal , and the comedies Gentlemen Prefer Blondes and How to Marry a Millionaire , which established her star image as a `` dumb blonde '' . Her last completed film was the drama The Misfits ( 1961 ) .