Kasia Smutniak Livia Drusilla Actor Liam Cunningham Livius Actor Roland Litrico Thelus Actor Nadia Parkes Young Livia Actor Isabella Rossellini Balbina Actor Alex Lanipekun Tycho Actor Ben Batt Agrippa Actor Art Campion Libo Actor Ewan Horrocks Drusus Actor Alaïs Lawson Marcella Actor Matthew McNulty Gaius Actor Colette Dalal Tchantcho Antigone Actor Anthony Barclay Corvinus Actor Christine Bottomley Scribonia Actor Emma Canning Young Antonia Actor Claire Forlani Octavia Actor Kevin Lettieri Vinnius Actor Liah O'Prey Julia Actor Simon Burke Screenwriter Carmel Maloney Producer John I. Phillips Producer Phillipa Cole Producer Federico Foti Producer Cristina Giubbetti Executive Producer Faye Dorn Executive Producer Claire McCarthy Executive Producer Patrick Spence Executive Producer Marcus Wilson Executive Producer