Prince Arthur is the heir to Camelot's crown and the responsibility sits uneasily on his young shoulders.
But when he meets and eventually befriends his manservant Merlin, his destiny begins to become clear.
With the young wizard at his side, he begins the long and adventure-filled journey that will make him the great and just King Arthur of legend.
Bradley has had minor roles in a number of TV shows including The West Wing and Boston Legal, but playing Prince Arthur is his first big break.
Marriages, divorces, affairs and murders - get the lowdown on all your favourite Merlin characters.
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