David Brandon character Caligula (as David Cain Haughton)
Laura Gemser character Miriam
Luciano Bartoli character Messala (as Oliver Finch)
Charles Borromel character Petreio
Fabiola Toledo character Livia
Sasha D'Arc character Ulmar
Alessandro Freyberger character Ezio (as Alex Freyberger)
Larry Dolgin character Cornelius
Gabriele Tinti character Marcellus
Michele Soavi character Domitius
Nadine Roussial character Lavinia (uncredited)
Mark Shannon character Marius (uncredited)
Laura Levi character Redhead in orgy with Marius (uncredited)
Sabrina Mastrolorenzi character Brunette in threesome with dwarf (uncredited)
Pauline Teutscher character Orgy Girl (uncredited)
John Alin character Tullio Gallio
Ulla Luna character Clizia
Bruno Alias character Senator (uncredited)
Angelo Boscariol character Man at orgy (uncredited)
Angelo Casadei character Man at orgy (uncredited)
Rossella Dramis character Young blonde in orgy scene (uncredited)
Alfonso Giganti character Senator (uncredited)
Giuseppe Marrocco character Senator (uncredited)
Amedeo Salamon character Senator (uncredited)
Franco Ukmar character Gladiator (uncredited)