1.
Andrew Campbell
The focus has very much been on him for this string of episodes. In the past he has romanced Spencer. Now, he's moved on to Aria and hates Alison. We can't forget that he has the same bag as A.
2.
Paige McCullers
There's no denying that Emily's ex could be A. She's always had a problem with Alison. Plus, she just disappeared earlier this season and hasn't been in contact with Emily. That's shady, even for Rosewood.
3.
Melissa Hastings
Another person who is highly likely to be part of the A game. She has had a strained relationship with her sister, Spencer for much of the shows run. Most recently, Spencer went to London and her sister was conveniently MIA for the first part of her visit. On a later flight from Rosewood perhaps?
4.
Alison Dilaurentis
This would shock no one. Alison has proven to be an unreliable mess in the past. She can manipulate pretty much every situation she finds herself in. Heck, she managed to fool us faithful viewers that she was dead for 4 seasons.
5.
Byron Montgomery
The guy disappears for long spells of time. He had an affair with one of his students who then tried to kill his daughter. He also had a questionable run in with Alison on the night she apparently died.
6.
Cece Drake
Alison's former friend. She shows up randomly and everytime she does, there is a lot of drama. She knows a lot about the liars and not all of it is good. This character is certainly one to watch.
7.
Ezra Fitz
After the reveal that he was A, fans went crazy and we were promised that it would stick. It didn't and there have been hints that he could be Varjak. It would make sense considering how he just popped up in the pilot. That wasn't an accident. Nothing is an accident in Rosewood.
8.
Gabriel Holbrook
Holbrook has done some shady things, but he got even more scarier earlier this season when he lost his job and tried to scare Hanna. Could him losing his job be the thing that made him snap and have the girls locked up?
9.
Jason Dilaurentis
The brother of Alison. He has always been against Alison, but just before her court case concluded, he told her that he never thought she killed Mona. Could this have been a ruse to rule him out?
10.
Lucas Gottesman
This guy has been a suspect since Season 1. He has gradually gone over to the dark side since his friendship with Hanna ended. Could he be doing this for attention?
11.
Meredith Sorenson
Meredith has been MIA since she held Aria hostage a few years ago. She has a clear motive after Aria finding out about her fling with her father. She's currenty stuck in a time loop over on 12 Monkeys, but could she find the time to pop back up in Rosewood?
12.
Mike Montgomery
Mike has become a huge target of A in recent weeks. It's doubtful that Big A is working alone and his involvement with Mona could point to it being both of them all along.
13.
Mona Vanderwaal
She was the original A, but she's also dead, right? Wrong. Her death could all have been a set up. Those blood vials sure make it look to be a plausible outcome.
14.
Noel Kahn
Noel has worked with many of the shows dark characters. He's dated Mona, Jenna and more recently revealed to be Alison's confidante.
15.
Linda Tanner
Tanner has been a royal pain in the ass for the liars and has succeeded in getting them arrested. We have no solid leads, but I wouldn't rule her out as being part of all of this. How crazy would it be if Andrew was Varjack, Tanner was Big A and she was his mom? The possibilies are endless.
16.
Toby Cavanaugh
Toby is another character who has been revealed as A. He's been MIA for a few weeks because his job with Rosewood PD. Could he be the master manipulator and the real deal?
17.
Wren Kingston
Wren has had a target on his back in the past. He came into the liars lives not long before all of this A drama started. He keeps popping up randomly. He's not exactly reliable either.