The next days of filming, which will take place from May 14 to May 17 will feature a scene of people protesting against Kamen Rider. Said scene will featuring some running and walking. Finally, those who decided to become an extra in the film will get the chance to meet the cast on set, but they can't share said experience on social media or forums. Lastly, applications for extras will end on May 6th.
Kamen Rider Build the Movie is set for an August 4th release in Japan.
[Source: Daisuki Toku]