María Félix

Messalina

Georges Marchal

Caio Silvio

Memo Benassi

Claudio

Delia Scala

Cinzia

Erno Crisa

Timo

Carlo Ninchi

Tauro

Camillo Pilotto

Ottavio

Jean Tissier

Mnester

Jean Chevrier

Valerio

Germaine Kerjean

Ismene

Ave Ninchi

Locusta

Michel Vitold

Narciso

Giuseppe Varni

Pallante

Luigi Almirante

Jeweler

Lamberto Picasso

astrologer

Gino Saltamerenda

manager of the brothel

Cesare Barbetti

Lucio

Achille Majeroni

Appolonio

Giovanna Galletti

Christian

Giulio Battiferri

Marco (uncredited)

Sergio Bergonzelli

(uncredited)

Maria Bernardini

(uncredited)

Walter Brandi

(uncredited)

Livia Cordaro

(uncredited)

Alma De Río

(uncredited)

Carlo Duse

(uncredited)

Pasquale Fasciano

A thug of the suburra (uncredited)

Armando Furlai

(uncredited)

Greta Gonda

Julia (uncredited)

Guglielmo Leoncini

(uncredited)

Pino Locchi

(uncredited)

Lia Murano

a maid (uncredited)

Elsa Pavani

(uncredited)

Alberto Plebani

(uncredited)

Ugo Sasso

(uncredited)

Roberto Spiombi

(uncredited)

Bruno Tocci

(uncredited)

Darix Togni

(uncredited)

Pietro Tordi

A thug of the suburra (uncredited)

Amedeo Trilli

prison guard (uncredited)

Giuliana Farnese

Arena Spectator (uncredited)