Currently available on 4 streaming services.

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 Max, Max Amazon Channel or buy it as download on Apple TV, Amazon Video.

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