David Murray
Merlin's Lieutenant
David Wilmot
Woad Killed by Lancelot
Lochlann Ó Mearáin
Roman Commander
Ivano Marescotti
Bishop Germanus
Clive Russell
Lancelot's Father
Graham McTavish
Roman Officer
Dessie Gallagher
Mercenary
Elliot Henderson-Boyle
Young Lancelot
Owen Teale
Pelagius (uncredited)