Joan Allen

as Morgause

2 episodes

Julianna Margulies

as Morgaine

2 episodes

Anjelica Huston

as Vivianne

2 episodes

Samantha Mathis

as Gwenwyfar

2 episodes

Caroline Goodall

as Igraine

2 episodes

Klára Issová

as Raven

2 episodes

Edward Atterton

as Arthur

2 episodes

Michael Vartan

as Lancelot

2 episodes

Michael Byrne

as Merlin

2 episodes

Hans Matheson

as Mordred

2 episodes

Clive Russell

as Gorlois

2 episodes

Freddie Highmore

as Young Arthur

2 episodes

Noah Huntley

as Gawain

2 episodes

Mark Lewis Jones

as Uther

2 episodes

Tamsin Egerton

as Young Morgaine

2 episodes

Bridget Hodson

as Elaine

2 episodes

Christopher Fulford

as Lot

2 episodes

David Calder

as Uriens

2 episodes

Edward Jewesbury

as Ambrosius

2 episodes

Hugh Ross

as Bishop Patricius

2 episodes