Alberto Sordi as Nero

Vittorio De Sica as Seneca

Brigitte Bardot as Poppea

Gloria Swanson as Agrippina

Ciccio Barbi as Ancieto

Giorgia Moll as Lidia

Memmo Carotenuto as Creperio

Mino Doro as Corbulone

Enzo Furlai as Segimanio

Agnese Dubbini as Ugolilla

Irene Gay as

Amalia Pellegrini as Acceronia

Mimmo Poli as The Builder of the Theater

Barbara Shelley as A Guest at the Villa

Giulio Calì as The Carpenter

Nino Vingelli as Another Carpenter

Sandra Milo as

Sonia Moser as

María Luisa Rolando as

Rina De Liguoro as

Renato Terra as

Arturo Bragaglia as A Senior Senator

Euro Teodori as

Mario Mazza as Tacito