| Description | Character | Actor/Actress |
| 'Weird girl' of Rosewood's primere clique; has relationship with former teacher | |
| 'Preppy girl' who strives to be perfect | |
| Fat girl turned into the skinny 'it girl' | |
| Competitive swimmer part of Rosewood's primere clique | |
| Former leader of Rosewood's primere clique | |
| Knows all of their secrets | |
| Aria's dad | |
| Aria's mom | |
| A brother with sticky fingers | |
| English teacher dating a high school student | |
| A father's mistress | |
| Aria's shortlived boyfriend who eventually gets suspended | |
| Aria and Mike's old babysitter | |
| Hanna's mom | |
| Former outcast transformed into popular social leader | |
| Hanna's exboyfriend | |
| Detective investigating Ali's murder | |