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It's gonna be a killer summer.


Twenty years ago, a series of tragic events almost ripped the blue-collar town of Millwood apart. Now, in the present day, a group of disparate teen girls finds themselves tormented by an unknown Assailant and made to pay for the secret sin their parents committed two decades ago, as well as their own.

  1. Roberto Aguirre-Sacasa


  2. Lindsay Calhoon Bring


Series Cast

  1. Bailee Madison as Imogen Adams

    Bailee Madison

    Imogen Adams

    18 Episodes

  2. Chandler Kinney as Tabitha 'Tabby' Haworthe

    Chandler Kinney

    Tabitha 'Tabby' Haworthe

    18 Episodes

  3. Zaria as Faran Bryant


    Faran Bryant

    18 Episodes

  4. Malia Pyles as Minnie 'Mouse' Honrada

    Malia Pyles

    Minnie 'Mouse' Honrada

    18 Episodes

  5. Maia Reficco as Noa Olivar

    Maia Reficco

    Noa Olivar

    18 Episodes

  6. Mallory Bechtel as Karen / Kelly Beasley

    Mallory Bechtel

    Karen / Kelly Beasley

    18 Episodes

  7. Alex Aiono as Shawn Noble

    Alex Aiono

    Shawn Noble

    18 Episodes

  8. Jordan Gonzalez as Ash Romero

    Jordan Gonzalez

    Ash Romero

    10 Episodes

  9. Elias Kacavas as Greg

    Elias Kacavas


    10 Episodes

  10. View More

Full Cast & Crew

Next Season

Summer School

2024 • 8 Episodes

It's summer in Millwood, but the girls will have to face a new villain out for revenge, a GIRL.

Chapter Eleven: Loose Ends

(2x1, May 9, 2024)

View All Seasons

Pretty Little Liars: Original Sin
Pretty Little Liars: Original Sin


Status Returning Series


  • See more TV shows from HBO Max...
  • See more TV shows from Max...

Type Scripted

Original Language English


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