Got this from the official site.  I may have read the kanji wrong (in some 
cases, I couldn't make it) so please correct my errors.  ^_^

Narration :: Kosakai Kazuki
Blossom :: Asou Kaori
Buttercup :: Ikeda Yukiko
Bubbles :: Nanri Yuuka
Hakushi (Professor) :: Azaki Motomu 
Shichou (Mayor) :: ???
Ms. Sara Bellum :: Takano Urara
Mojo Jojo :: Ishii Kouji
Kare (Him) :: Sonooka Shintarou

Found here:

http://www.tv-tokyo.co.jp/ppg/staff.html

----
mink -- mink@broken-echo.net