Two devils from Hell are sent to Earth to cause trouble. Belfagor and his faithful sidekick Adramalek must start a war between Rome and Florence in 1478.

Vittorio Gassmanas Belfagor
Claudine Augeras Maddalena De Medici
Mickey Rooneyas Adramelek
Ettore Mannias Capitano Gianfigliazzo - The Guard Captain
Annabella Incontreraas Lucrezia
Liana Orfeias Olimpia
Giorgia Mollas Aristocrat's Wife
Milena Vukotićas Maddalena's Young Servant
Elena Fabrizias Maddalena's Old Servant
Luigi Vannucchias Principe Francesco 'Franceschetto' Chibo de Longuiara
Aldo Tonti