This article is about a/an voice actor in Power Rangers Super Samurai.

Mark Williams voiced the Big Mouth Monster In Power Rangers Operation Overdrive And The Nighlok Eyescar in Power Rangers Super Samurai.

Away from Power Rangers, he is probably best well-known for his roles as Arthur Weasley in the Harry Potter fantasy film franchise, Brian Williams in the seventh series of Doctor Who, the titular role in period detective drama Father Brown, and Olaf Peterson in the original run of BBC sci-fi comedy Red Dwarf, as well as his contributions to BBC comedy sketch show The Fast Show.

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