Beck the live action movie will be out in theaters on September 4th according to Eiga.com. The cast is as follows:

Hiro Mizushima will play Ryusuke Minami

Takeru Satoh will play Koyuki

Kenta Kiritani will play Chiba

Aoi Nakamura will play Yuji Sakurai

Osamu Mukai will play Taira

You can see the cast pictures here, and cast interview video here