Guest Stars Ewan Horrocks as Drusus Alais Lawson as Marcella Joseph Ollman as Iullus Hannah Chinn as Antonia Isabelle Connolly as Antonina Mia Jenkins as Ursa Nathan Welsh as Musca Lilit Lesser as Aurelia Alana Boden as Porcia Fabrizio Romagnoli as Strabo Elliot Barnes-Worrell as Vilbia