Slenderman.jpg|Slenderman Slenderman 3D is a 2016 found footage supernatural horror fim that. stars Bella Sana,Stefanie Scott, Rhyon Nicole Brown, Dianna Agron, Danielle Panabaker, Alexandra Daddario, Max Van Ville, Cody Longo, Brandon T. Jackson, Arlen Escarpeta, Max Thieriot, Jensen Ackles, Jared Padalecki, Kellan Lutz, Ansel Elgort, Chris Zylka, Logan Henderson, Thomas Dekker, Alex Pettyfer, Jake Gyllenhaal, Zac Efron, AnnaSophia Robb, Portia Doubleday, Brenton Thwaites, Indiana Evans Donal Logue, Kane Hodder, and Derek Mears