EXCLUSIVE: Chandler Kinney (Zombies 2, Lethal Weapon) and Maia Reficco (Evita, Kally’s Mashup) are set as the leads in Pretty Little Liars: Original Sin, a darker, present-day iteration of the popular 2010-17 series, from Riverdale and Chilling Adventures of Sabrina creator Roberto Aguirre-Sacasa; Lindsay Calhoon Bring (Chilling Adventures of Sabrina); Alloy Entertainment; and Warner Bros. TV.