<P> Witwer starred in the North American remake of Being Human . He played the role of vampire Aidan Waite . </P> <P> He voiced Ocean Master in the animated film Justice League: Throne of Atlantis for the DC Universe Animated Original Movies series, replacing fellow Star Wars actor Steven Blum from Justice League: War . </P> <P> In 2016 Witwer played a recurring role of Mr Hyde on Once Upon a Time . </P> <P> Sam is an avid player of both electronic games and pen - and - paper roleplaying games . This is a hobby that he has engaged in for years . He has been a frequent guest on the Podcast Order 66 and has expressed a love for all iterations of Star Wars roleplaying games Star Wars: The Roleplaying Game (by West End Games) to Star Wars Roleplaying Game (by Wizards of the Coast) and to the current series of cross-compatible Star Wars roleplaying games by Fantasy Flight Games . </P>

Who plays mr. hyde in once upon a time
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