Zac Efron is getting his Ted Bundy on for his new movie, and is already staring into the eyes of a would-be victim.
Zac was filming a scene Monday in Cincinnati for "Extremely Wicked, Shockingly Evil and Vile" -- which is told from the point of view of Bundy's gf, Elizabeth Kloepfer, played by Lily Collins.
Zac was caressing her for a scene, and considering the subject matter ... it looks pretty damn creepy from afar. Check out the above gallery, if you don't believe us.