Keegan Allen: Everyone Knows “A”

Credit: Marlene King's Instagram

Keegan Allen is one of the lucky PLL cast members who know the identity of “A”.  Keegan told People that “A” is someone we all know.  So we definitely know that "A" isn't going to be a new character.

"And what I love about who it is is that everyone knows who it is ... but it will be so shocking and surprising," Keegan said.

"Everyone will freak out because it's so clearly in every episode.  When it's finally revealed, you could literally go back to season 1 and knowing who it is, you can be like, 'Oh, wow. Whoa. This has been here all along, and I never noticed it,' which is, I think, brilliant."

Who do you think “A” is on Pretty Little Liars?