Fredric March
Marcus Superbus - Prefect of Rome
Elissa Landi
Mercia
Claudette Colbert
Empress Poppaea
Charles Laughton
Emperor Nero Claudius Caesar
Ian Keith
Tigellinus
Arthur Hohl
Titus
Harry Beresford
Favius Fontelas
Tommy Conlon
Stephan
Ferdinand Gottschalk
Glabrio
Vivian Tobin
Dacia