Emil Jannings
— Nerone
Elena Sangro
— Poppea
Rina De Liguoro
— Eunica
Lillian Hall-Davis
— Licia
Andrea Habay
— Petronius
Raimondo Van Riel
— Tigellinus
Gildo Bocci
— Vittelius
Gino Viotti
— Chilone Chilonides
Alphons Fryland
— Vinicius
Bruto Castellani
— Ursus
Elga Brink
— Domitilla
Arnold Kent
— Roman Guard
Marcella Sabbatini
— Girl