The first thing I did, it sort of caught me off guard, the actor tells EW.

I was supposed to do a motion-capture test and I didnt think I had lines or anything.

I thought it was a facial scan of me doing different expressions.

IT; Bill Skarsgard

Credit: Marco Grob/Warner Bros.; Jason LaVeris/FilmMagic

Then the night before, the director,Andy Muschietti, was handing me a scene to do.

This was months before we started shooting.

I was like, Oh my God, you want me to actually perform like Pennywise again?

Was it not scary, being able to summon up this monster so easily?

I think it was more scary for the people in the room at that point, he says.

Its a big difference.

It Chapter Twoalso James McAvoy, Jessica Chastain, and Bill Hader, and opens Friday.