And in the English Dub, both Sgt. Knox and General Dire are Starscream
Gordan Ramsey (not Gordon Ramsay) was a veteran actor who was later discovered to have voiced "Captain Avatar"*
The dub actors were uncredited, and because they were non-union, they originally couldn't be contacted.
Steven Tyler of Aerosmith wrote and performed "Love Lives" for the 2010 movie. It should be noted that he and Takuya Kimura are actually good friends, having appeared together in a photobook published in Japan, and Steven sent a video message to Takuya to commemorate the movie's premiere.