Kirsten Dunst cast in The Housemaid sequel Kirsten Dunst will star opposite Sydney Sweeney in The Housemaid's Secret. 23 March 2026 Kirsten Dunst has been cast in The Housemaid's Secret. Actress Kirsten Dunst The 43-year-old actor will join Sydney Sweeney, 28, in the sequel to The Housemaid - which sees Millie Calloway (Sweeney) lying on her resume to become a live-in nanny for wealthy couple Nina (Amanda Seyfried) and Andrew Winchester (Brandon Sklenar), who have dangerous secrets.