Nigel Terry

King Arthur

Helen Mirren

Morgana

Nicholas Clay

Lancelot

Cherie Lunghi

Guenevere

Paul Geoffrey

Perceval

Nicol Williamson

Merlin

Corin Redgrave

Cornwall

Patrick Stewart

Leondegrance

Keith Buckley

Uryens

Clive Swift

Sir Ector

Liam Neeson

Gawain

Gabriel Byrne

Uther Pendragon

Robert Addie

Mordred

Katrine Boorman

Igrayne

Ciarán Hinds

King Lot

Niall O'Brien

Kay

Charley Boorman

Boy Mordred

Brid Brennan

Lady in Waiting

Michael Muldoon

Astamor

Liam O'Callaghan

Sadok

Garrett Keogh

Mador

Emmet Bergin

Ulfius

Eamon Kelly

Abbot (as Eamonn Kelly)

Gerard Mannix Flynn

Mordred's Lieutenant

Barbara Byrne

Young Morgana

Kay Maclaren

Aged Morgana

Joelle Hélary

Lady of the Lake

Conor Lambert

Puppeteer

Prudence Wright Holmes

Sunshine