Kasia Smutniak as Livia Drusilla
Matthew McNulty as Gaius Octavius
Claire Forlani as Octavia
Christine Bottomley as Scribonia
Colette Dalal Tchantcho as Antigone
Ben Batt as Agrippa
Liam Cunningham as Livius
Isabella Rossellini as Balbina
Nadia Parkes as Livia Drusilla (Young)
Tom Glynn-Carney as Gaius Octavius (Young)