Meredith Sorenson

Meredith Sorenson is a recurring antagonist in "Pretty Little Liars". She was portrayed by Amanda Schull.

For most of the series Meredith was mostly an antagonist to Aria but she eventually grew into a full-on villain in the third season, when she reveals a mental side.

She drugs Aria and locks her in the basement, while she attempts to find the pages from Ali's diary.