Production on season 3 of Mayfair Witches has begun, with several new cast members joining the show, including Michiel Huisman, Betsy Brandt, James Frain, and Eliza Scanlen. Annabeth Gish is also set to return for the new season. Filming for season 3 is taking place in Vancouver, though it is unclear if production has been completed, as there are indications that it may be wrapping up.