Mary: Hana Sugisaki (Omoide no Marnie) Madam Manbulduke: Yuuki Amami (Detective Conan Movie 20: The Darkest Nightmare) Doctor Day: Fumiyo Kohinata (Live action Kuishinbou!
The official Facebook page of Mary to Majo no Hana has posted information regarding additional cast members and revealed a new trailer.
The movie is slated to premiere in Japanese theaters in July 8, 2017.