Paul Anthony Kelly, known for starring as John F. Kennedy Jr. in FX’s mini-series “Love Story,” is set to join the cast of Lionsgate’s upcoming sequel, “The Housemaid’s Secret.” The film is positioned as a follow-up to “The Housemaid,” which released in 2025 and became a breakout holiday hit, based on the bestselling novel by Freida McFadden. Multiple outlets report that Kelly will join an ensemble already announced for the project, including returning cast member Sydney Sweeney and newcomer Kirsten Dunst (also reported as Kristen Dunst), along with Michele Morrone. The sources describe “The Housemaid’s Secret” as continuing the franchise’s story world built from McFadden’s book. Details of Kelly’s specific role are not provided in the excerpts. The announcements confirm the casting expansion and link the new film to the franchise’s recent box office success and established author’s material.