The UndoingThriller Play Trailer Play Trailer The UndoingThrillerthumb_upthumb_downThe UndoingMarch 21, 2023Directed byCameron GallagherWhen a teenage slumber party reveals hidden jealousy for one young woman, a spell book promises her a tempting opportunity to change her life.US content warning Last Updated: July 31, 2024 Request Update CastElizabeth McflyMarshaHunter FrederickTaySara HalliseyRoseHeather FrederickKellyClipThe Undoing | A Short YA Thriller Film