If you love horror Movies, the newly released trailer for "The Autopsy of Jane Doe" will have you counting down the days until the film hits theaters on December 21. The flick is "Trollhunter" director's André Øvredal's first English language film and the trailer (get a sneak peek below) will leave you either completely freaked out or curious as to how the actress (Olwen Kenny) played dead on the coroner's table while actors Brian Cox and Emile Hirsch try to figure out what killed the corpse with the freaky eyes before she starts terrorizing them.

First, watch the trailer and then we'll clue you in on how she lay dead (and naked) throughout multiple takes during filming.

The trailer for 'The Autopsy of Jane Doe' is so terrifying you'll want to watch it twice!

Slash Film says the movie is "truly terrifying" and "scary as hell" — reason enough to go see it if you love to be scared senseless while watching a movie that has a pretty decent plot. The trailer won't spoil the film for potential movie-goers and Bloody Disgusting's Brad Miska states that the only "scratches the surface" when it comes to revealing how truly tortured the woman was — something the two coroners, played by Cox and Hirsch, try to figure out while finding some rather bizarre clues that lead to some chilling secrets.

"This trailer only scratches the surface as to how f**ked it really was," Miska writes.

"Jane Doe was tortured beyond torture, setting up a shocker that’s easily one of the best films of the year. It’s worthy of the rave reviews."

So, how hard was it for actress Olwen Kenny to play dead during filming?

It wasn't easy. Director André Øvredal tells Entertainment Weekly that actress Olwen Kenny had one of the most difficult roles in the film.

He states that playing a corpse was "a grueling role" and Kenny had to lie on a cold marble table slab for "8 to 10 hours for weeks on end" and stay 'dead still" no matter what was happening around her.

"The Autopsy of Jane Doe" movie trailer has been a top trend on Facebook this week so there is no doubt the theater seats will be filled when the movie is released in many theaters across the U.S.

on December 21. Will you be going to see the horror movie or will you wait for it to (hopefully) come out on Netflix?

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