The film takes place in the morning sun. After a day of filming interiors, rain began to pour without any notice. The production crew had to replicate sunlight from the exterior and avoid wetting the electrics.
The DoP Ethan Thomas appears in the magazine the Housekeeper reads occasionally through the film.
Shot in four days.
The climactic long scene in the library took four takes to get right. The director use the final take in the final cut.
To connect with her character, Kelly Robinson wrote a diary in character for the pregnancy of Sophia's child.