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Merlin
Episodes
A Lesson in Vengeance
Cast Appearances
A Lesson in Vengeance - Cast Appearances
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Guest Cast
Guest Crew
Cast Appearances
Crew Appearances
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Colin Morgan
as
Merlin
Angel Coulby
as
Guinevere "Gwen"
Bradley James
as
Arthur
John Hurt
voices
The Great Dragon
Katie McGrath
as
Morgana
Richard Wilson
as
Gaius
