山姆·威特沃 Sam Witwer
- Samuel Stewart Witwer (本名),Stewart (昵称)
- Samuel Stewart Witwer (born October 20, 1977) is an American actor and musician. He is known for portraying Crashdown in Battlestar Galactica, Davis Bloome in Smallville and Aidan Waite in Being Human. He voiced the protagonist Galen Marek / Starkiller in Star Wars: The Force Unleashed, the Son and Darth Maul in Star Wars: The Clone Wars and Emperor Palpatine in Star Wars Rebels.