The series stars David Morrissey, Mackenzie Crook, Sophie Okonedo, Annabel Scholey, Nikolaj Lie Kaas, Julian Rhind-Tutt, Eleanor Worthington-Cox and Zoë Wanamaker. In a world of mythic Celtic tribes, psychedelic druids and terrifying Romans, series three will see a young girl try to build a rebel alliance with a group of misfits.
All episodes of #Britannia3 will be available on 24th of August on Sky Atlantic. Catch up on all episodes on-demand on Sky.