Guest Stars Caoilfhionn Dunne as Brearn Caolan Byrne as Arin Owain Gwynn as Morac Christopher Hatherall as Blind Father Bessie Coates as Daughter Trystan Gravelle as Derog Garry Cooper as Chieftain 1 Andy Gathergood as Chieftain 2 Mark Flitton as Roman Soldier David Langham as Physician Andrew Greenough as Chieftain 3 Siôn Alun Davies as Halwyn Andy Secombe as Tribal Elder Liran Nathan as Crucified Man Camilla Watson as Raven