Joan Allen

Morgause

Julianna Margulies

Morgaine

Anjelica Huston

Vivianne

Samantha Mathis

Gwenwyfar

Caroline Goodall

Igraine

Klára Issová

Raven

Edward Atterton

Arthur

Michael Vartan

Lancelot

Michael Byrne

Merlin

Hans Matheson

Mordred

Clive Russell

Gorlois

Freddie Highmore

Young Arthur

Noah Huntley

Gawain

Mark Lewis Jones

Uther

Tamsin Egerton

Young Morgaine

Bridget Hodson

Elaine

Christopher Fulford

Lot

David Calder

Uriens

Edward Jewesbury

Ambrosius

Hugh Ross

Bishop Patricius

Ian Duncan

Accolon

Tony Curran

Uther's Captain