A Harry Potter extra has lifted the lid ... looks at me directly in the face, and said, 'The dementors are coming!'" She added: "Dumbledore spat in my eyes. Quite literally frothing at the mouth ...

"She says she can see our pupils against the white eyeball but the rest of the face is dark. "It sounds like something out of a horror film, like a Death Eater or a Dementor from Harry Potter.

“Anyway, he comes over to the table that I’m at and puts his hand on my shoulder, looks at me directly in the face and said, ‘The dementors are coming!’” Harry Potter actress Samantha ...

The Harry Potter cast goes corporate as The Office ... you can probably guess, is the dementor. I have no idea what Office character he’s supposed to be, but looking back at the comedy series ...