| Description | Character Name |
| Girl who's murder is being investigated | |
| Fashionable, one of the main Liars | |
| The popular girl of the Liars | |
| The smart girl, main Liar | |
| Competitive swimmer, main Liar | |
| Member of the A Team, formerly a close friend of the Liars | |
| Member of the A Team, dating one of the liars | |
| Alison's brother | |
| Member of the NAT Club, works as a cop | |
| Member of the NAT Club, killed by A | |
| Used to be blind, recently got sight back | |
| The other Hastings daughter | |
| Brother in the Montgomery family | |
| Computer hacker, helping track down A | |
| English teacher, dating one of the Liars | |
| Swimmer, dating one of the Liars | |
| Murdered by her stalker, dated a Liar | |
| The Kahn brother in the same grade as the Liars | |
| Worked at the Hasting's country club, dated a Liar | |
| British doctor, dated two of the Liars | |
| Emily's blonde ex-girlfriend | |
| Brother in the Fitzgerald family | |
| Alison's role model | |