TMDb/Housemaid #2 Movie Sydney Sweeney returns in The Housemaid's Secret. Kirsten Dunst joins the sequel. Millie uncovers dangerous secrets in a wealthy couple's penthouse. March 24, 2026 AceShowbiz - The Housemaid sequel is set to feature Kirsten Dunst alongside returning star Sydney Sweeney. The follow-up film, titled The Housemaid's Secret, continues the story from Lionsgate's 2025 hit, which grossed nearly $400 million worldwide. The new installment adapts Freida McFadden's second novel in her Housemaid series.