Seventeen different versions of Grace's wedding dress were created by costume designer Avery Plewes to show the progress of Grace's night and how her clothes correspond to her attitude.
They only had five candelabras, so they had to keep moving them around to populate rooms and hallways where needed.
A lot of the film was filmed at Casa Loma in Toronto, Ontario, Canada. It is a designated heritage property and is a museum that is open to the public. You can take tours of the building and learn about its history. You can even walk through some of the secret passages. Many movies were filmed there, including Crimson Peak (2015), The Pacifier (2005), and X-Men (2000).
They submitted nearly 200 fictional board game names, but only eight or so were cleared by the legal department.
Guy Busick, R. Christopher Murphy: (32:16). The film's writers as the crossbow experts in the YouTube video.