Currently available on 1 streaming service.

Streaming, rent, or buy Pretty Little Liars: Original Sin – Season 1:

Currently you are able to watch "Pretty Little Liars: Original Sin - Season 1" streaming on ShowMax.

Cast

Bailee Madison
Imogen Adams
Chandler Kinney
Tabitha 'Tabby' Haworthe
Maia Reficco
Noa Olivar
Zaria
Faran Bryant
Malia Pyles
Minnie 'Mouse' Honrada
Mallory Bechtel
Karen / Kelly Beasley
Alex Aiono
Shawn Noble