Derek Mearsis an American actor and stuntman. Often appearing in horror and science-fiction titles, he came to prominence for portraying Jason Voorhees in the 2009 reboot of Friday the 13th. His film roles also include The Hills Have Eyes 2 (2007), Predators (2010), Pirates of the Caribbean: On Stranger Tides (2011), Hansel & Gretel: Witch Hunters (2013), and Alita: Battle Angel (2019). On television, he played the title character on the DC Universe series Swamp Thing (2019).