In an interview in March 2016, Kristen Bell mentioned that voice recording for the film would begin in April of 2016. However, in an interview in July, she revealed that recording on the film had not yet begun.
Is the second Disney film released around the time of Thanksgiving to not release on a Wednesday, instead releasing on November 22. The first film was Bolt (2008), released 11 years prior on November 21.
Evan Rachel Wood is cast as Queen Iduna, who made an appearance in the first film. In the official trailer, there is a scene where, in the Arendelle palace, Queen Iduna is looking up at the Northern Lights.