Richard McBrien is a screenwriter for the BBC Television Series Merlin. Currently, he has only written four episodes; the eleventh episode of Series 4, and the fifth, ninth and tenth episodes of Series 5. McBrien has also worked on Spooks, Wallander, The Debt, Trust, The Bill, Soldier Soldier, MI-5, and King Cobra.

McBrien has written the following episodes:

Series 4

Series 5

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