Hello! magazine has a report up and pictures from the Tokyo premiere of Batman Begins. In attendance were director Christopher Nolan, Christian Bale, Morgan Freeman, Liam Neeson, Ken Watanabe, Katie Holmes and producer Charles Roven.
Also, News 24 has an article in which they talked to Morgan Freeman and Liam Neeson at the premiere about why they took on the roles.
Source: Ultimate Iceman