Joseph Fiennes

Merlin

Jamie Campbell Bower

King Arthur

Tamsin Egerton

Guinevere

Peter Mooney

Sir Kay

Philip Winchester

Leontes

Eva Green

Morgan Pendragon

Diarmaid Murtagh

Brastias

Clive Standen

Gawain

Claire Forlani

Queen Igraine

Chipo Chung

Vivian

Sinéad Cusack

Sibyl

Jamie Downey

Ulfius

Lara Jean Chorostecki

Bridget

Ed Cosgrave

Borin

Sean Pertwee

Ector

James Purefoy

King Lot

Sebastian Koch

King Uther

Dara Devaney

Harwel

Daragh O'Malley

Leodegrance

Paul McGlinchey

Wallace

Lauren Coe

Excalibur

Sebastian Spence

Lucan

Liam Cunningham

Coifur

Steven Mackintosh

Ewan

Vincent Regan

Caliburn

Guy Carleton

Beseecher

Alfie Davis

Redwald