David Brandon
Caligula
Laura Gemser
Miriam
Luciano Bartoli
Messala
Charles Borromel
Petreio
Fabiola Toledo
Livia
Alessandro Freyberger
Ezio
Gabriele Tinti
Marcellus
Michele Soavi
Domitius
Nadine Roussial
Lavinia (uncredited)
Mark Shannon
Marius (uncredited)
Laura Levi
Redhead in orgy with Marius (uncredited)
Sabrina Mastrolorenzi
Brunette in threesome with dwarf (uncredited)
Pauline Teutscher
Orgy Girl (uncredited)
Angelo Boscariol
Man at orgy (uncredited)
Angelo Casadei
Man at orgy (uncredited)
Rossella Dramis
Young blonde in orgy scene (uncredited)
Alfonso Giganti
Senator (uncredited)
Giuseppe Marrocco
Senator (uncredited)
Amedeo Salamon
Senator (uncredited)
Liana Tabacchino
Marcellus Agrippa's wife (uncredited)
Sasha D'Arc
Ulmar
Larry Dolgin
Cornelius
John Alin
Tullio Gallio
Ulla Luna
Clizia
Joan McCoy
Didi Franks
Giorgia Williams
Jessica Lopez
Patricia Queen
Donatella Down
Bruno Alias
Senator (uncredited)
Franco Ukmar
Gladiator (uncredited)