Floria Sigismondi Director Mackenzie Davis Kate Mandell Actor Finn Wolfhard Miles Fairchild Actor Brooklynn Prince Flora Fairchild Actor Barbara Marten Mrs. Grose Actor Joely Richardson Darla Mandell Actor Niall Greig Fulton Quint Actor Denna Thomsen Jessel Actor Kim Adis Rose Actor Darlene Garr Holly Actor Chad Hayes Screenwriter Carey W. Hayes Screenwriter Scott Bernstein Producer Roy Lee Producer Seth William Meier Executive Producer John Powers Middleton Executive Producer David Ungaro Cinematographer Glenn Garland Film Editing Nathan Barr Original Music Paki Smith Production Design Nigel Pollock Supervising Art Direction Michael Standish Set Decoration Leonie Prendergast Costume Design Leslee Feldman Casting Priscilla John Casting