Ash Ketchum / May (voice)
Brock / James / Squirtle / Forretress / Weavile / Bonsly / Omanyte / Omastar (voice)
Max (voice)
Meowth / Corphish (voice) (as Maddie Blaustein)
Jessie (voice)
Pikachu (voice)
Intro Narrator (voice)
Freddy / Grovyle / Swellow / Munchlax (voice)
Jenny (voice)
(voice)
Sir Aaron (voice) (as J. Griff)
Combusken (voice) (as Andrew Paull)
Narrator / Referee (voice)
Wobbuffet / Mime Jr. / Taillow (voice)
Lucario (voice)
Queen Rin / Lady Ilene / Mother / Chimecho (voice) (as Bella Hudson)
Kidd Summers (voice)
Mudkip / Cacnea / Cradily (voice)
Lt. Banks (voice) (as Pete Zarustica)
Narrator (voice)
Ash Ketchum
(voice) (uncredited)
Pidgeot (voice) (uncredited)
Registeel (voice) (uncredited)
Regice (voice) (uncredited)
Mew / Pichu (voice) (uncredited)
Regirock (voice) (uncredited)
Houndoom (voice) (uncredited)
Phanpy (voice) (uncredited)