Question: who plays jason in the 2009 friday the 13th
Answer: Derek Mears

title: Jason Voorhees
text: the 13th" reboot, young Jason (Caleb Guss) witnesses his mother's (Nana Visitor) beheading as a child and follows in her footsteps, killing anyone who comes to Crystal Lake. The adult Jason (Derek Mears) kidnaps Whitney Miller (Amanda Righetti), a girl who looks like his mother, and holds her prisoner in his underground tunnels. Months later, Whitney's brother Clay (Jared Padalecki) comes to Crystal Lake and rescues her. Eventually, Whitney uses Jason's devotion to his mother against him, stabbing him with his own machete while he is distracted when she appears. When his body is dumped into the lake, Jason emerges