American students, Tommy and Annette, find themselves in a heap of trouble when they accidentally discover an art forgery ring in Florence, Italy.
Tommy Kirk
Tommy Carpenter
Annette Funicello
Annette Aliotto
Nino Castelnuovo
Bruno
Clelia Matania
Aunt Gisella
Carlo Rizzo
Uncle Mario
Ivan Desny
Count Roberto
Venantino Venantini
Lorenzo
Ivan Triesault
Professor Levenson
