The showing times are
May 4th - 14th in Tokyo
and May 19th - 21st in Osaka.
Showing times from narutomyu
With the help of dear cavechan we translated these names who are to be the actors in the musical.
Machida Shingo = Sasuke
Yura Tomoyuki = Naruto
Yonehana Tsuyoshi = Gaara
Akiyama Jun = Koune (original character)
Mikura Mana/Kana = Sakura
Hirata Hiroaki = Genma
These are from here: http://www.tv-tokyo.co.jp/event/stage/n
another narumyu site: http://www.johnnys-net.jp/kouen/butai/n
*dances* I am so going to Japan for this one! =D
x crossposted to chuunin