Gino Turini as Caligula

Betty Roland as Messalina

Vladimir Brajovic as Claudius

Françoise Blanchard as Agrippina

Raul Cabrera as Silius

Vincent Lo Monaco as

Fanny Magier as Messalina's Mother

Laurence Lovall as

Dominique Irissou as

Marie-Noëlle Arnoult as

Silvie Dezabauneix as Drusilla / Caligula's younger sister

Kathy Sadik as Merope

Jean-Pierre Lemaire as

Florence Guérin as Woman Gladiator

Nathalie Berreby as Woman Gladiator

Antonio Passalia as Claudius / Caligula's uncle

Piotr Stanislas as Caliste

Fernando Arcangeli as Orgy Participant (uncredited)