Kamiki will be playing the character Hirose Kouichi while Komatsu will be playing Yamagishi Yukako. Okada plays the role of Nijimura Keichou and Mackenyu plays Nijimura Okuyasu. As for Yamada and Iseya, they will be playing Katagiri Anjuurou and Kujou Joutarou respectively. Jousuke's mother will be played by Mizuki Arisa while Kunimura Jun will play his grandfather.
Before the press conference, the cast had already been to Spain for filming on a very tight schedule. The movie's title will be "Jojo no kimyou na bouken Diamond wa kudakenai Daiissho".
Sources: Oricon 1 / Oricon 2