<Tr> <Th> Occupation </Th> <Td> Actor, musician, voice actor </Td> </Tr> <Tr> <Th> Years active </Th> <Td> 2001--present </Td> </Tr> <P> Samuel Stewart "Sam" Witwer (born October 20, 1977) is an American actor and musician . He has portrayed Crashdown in Battlestar Galactica, Davis Bloome in Smallville, and vampire Aidan Waite of the US / Canadian remake of BBC's supernatural drama series Being Human on Syfy in the US and Space in Canada . He also voiced protagonist Galen Marek / Starkiller in the multimedia project Star Wars: The Force Unleashed, as well as The Son and Darth Maul in Cartoon Network's Star Wars: The Clone Wars and Emperor Palpatine as well as Maul in Disney XD's Star Wars Rebels . </P> <P> Witwer grew up in Glenview, Illinois, a small suburb outside of Chicago . He attended Glenbrook South High School, during which time he was involved in drama and theater classes, as well as being the lead singer of a high school band called "Love Plumber". He attended the Juilliard School for a time before moving to Los Angeles . </P>

Who played mr. hyde on once upon a time