FUNimation updated their blog confirming the recently announced new voice cast for DB Kai and added in the retaining voice actors and their roles.
Reprising their roles from Dragon Ball Z:
Goku – Sean Schemmel
Vegeta and Piccolo – Christopher R. Sabat
Raditz – Justin Cook
Master Roshi – Mike McFarland
Tien – John Burgmeier
Ox King – Kyle Hebert
Chi-Chi – Cynthia Cranz
Nappa – Phil Parsons
Also returning are Linda Chambers Young as Frieza and Sonny Strait as Krillin and Bardock.
Joining the cast:
Gohan – Colleen Clinkenbeard
Bulma – Monica Rial
Narrator – Doc Morgan
Chiaotzu and Puar – Brina Palencia
FUNimation Entertainment will begin releasing the series on DVD and Blu-ray starting with Part One on May 18, 2010.