Hanna Marin (Ashley Benson): Hanna's father abandoned her and her mother. Before, she was fat and had no friends but she began to be friend of Alison, she lost weight and gained confidence in herself. When her friend Alison disappears Hanna starts to be friend of Mona, a girl that Alison always insulte , and they were always together. During the series Hanna meets Caleb, a boy who hasn't home, falls in love with him and he helps Hanna and her friends to find who is "-A.".
Aria Montgomery (Lucy Hale): She was living in Iceland during the year of disappearance of Alison. His father, Byron, is unfaithful to his wife but Aria keeps the secret to not destroy her family. One night after coming from Iceland she meets Ezra in a bar, and both fall in love. The first day of class Aria realizes that her new teacher, Mr. Fitz, is Ezra. They know that they should not do it but they do, "-A." finds out it and has another reason to threaten Aria.
Spencer Hastings (Troian Bellisario): She is the perfect student and has a rich family, but she also made mistakes. Slowly she learns that her family hides many secrets about the family of Alison. During the series she falling love Toby , a guy who she thought he had killed Alison but discovers that he isn't. Through the fault of "-A." Spencer has to get away from Toby.
Emily Fields (Shay Mitchell): she is the best swimmer in the school and is very good daughter but "-A." threatens to tell a secret that she takes many years hiding: She is lesbian. When Emily manages to tell the secret she falls for a girl, Maya, but she dies in the second season and nobody knows why. Her father works in the military and often live in other countries for several months.
Alison DiLaurentis (Sasha Pieterse): she was the most popular girl in the high school and the leader of the most popular group. She was a very bad person and insulted everyone. He had many enemies and hiding many things. Later the girls discover that "-A." also harassed her.
Caleb Rivers (Tyler Blackburn): He brought to Rosewood because he hasn't home, his mother abandoned him when he was young and his foster parents do not want to live with him. He earn money illegally hacking phones. He meets Hanna because a girl paid him to spy Hanna's home, but he realizes that he has fallen in love. Hanna and Caleb begin dating, she tells him his problem with "-A." and he try to help her find his identity.
Ezra Fitz (Ian Harding): He meets Aria in a bar and in that moment they fall in love, but then he began working at the high school of Aria. He later he began working at the University of Rosewood, but because of her parents they dismiss him.
Toby Cavanaugh (Keegan Allen): He is the brother of Jenna and she and Alison took advantage of him. At first everyone blames him as the murderer of Alison but then he demonstrates that he isn't. Later, Spencer and he fall in love.
Mona Vanderwaal (Janel Parrish): She was a marginalized , Alison is constantly insulte her. When Alison died, Mona began to be friend of Hanna and became popular. At first they is not given much importance to this character but slowly becomes a critical character.
Jason DiLaurentis (Drew Van Acker): He is the brother of Alison and he want to discover who killed her. He has no memory of the night that she disappeared but when he wakes up he was found a note that seemed to frame him. He discovers that his father is the father of Spencer.
In my opinion it is one of the best series I've ever seen. Many people recommended me to see it and when I did I could not stop. It has so much intrigue so when finishes a chapter you want to know more. It's my favorite series and I recommend it a lot. I'm sure you will enjoy it.
WHO IS –A. ?