Sari Lilliestierna was first considered for the role of Caritas, but the part finally went to Stina Ekblad.
The original score by composer Kaija Saariaho was rediscovered in 2017 by producer Claes Olsson. Apart from the opening credits (and a short cues of music), the experimental and avant-gardish score was mostly unused in the film.
The character Madame Spindel is based on the Finnish socialite Madame Minna Craucher (1891-1932) who founded a literary salon in Helsinki 1925.