Sigma Seven

CASTING GROUP

The man responsible for the "kindhearted" voice of Artificial Human No. 8 (aka: Ha-chan). He would go on to play a few minor roles, such as Pansy's Dad in the first DragonBall movie and Mira-kun during the Uranai Baba portion of the series. However, one of his most notable roles was that of the original Nappa in DragonBall Z.

Aoni Production

CASTING GROUP

This man had a number of minor roles throughout DragonBall GT, including Luud, Bisu, and Number 19. He later took over the role of Nappa in DragonBall Kai, replacing Iizuka Shouzou who had originally voiced Nappa in DragonBall Z.