While filming from March 18, 2021 to April 28, 2021 in Finland and Estonia, Teresa Palmer was pregnant with baby number four.
Teresa Palmer, Steven Cree, and Barbara Marten worked together previously on "A Discovery of Witches".
Correction; Finland is not a part of Scandinavia, and the Finnish language is of different origin. However, Swedish is second official language in Finland, and Sweden is part of Scandinavia. Finland is part of Nordics, which include Scandinavia (Sweden, Norway, Denmark) and Finland and Iceland.