Jason Marsden

as Kovu (voice)

as The Flish (voice), Mr. Mxyzchkn (voice), Sinestropotamus (voice)

as The Atom (voice), Soldier (voice), Caellich (voice)

as Doctor Ivo (voice)

as Kade Burns (voice)

as Duke (voice)

as Nermal (voice), Professor Bonkers (voice)

as Danger Duck (voice)

as Matt Olsen

as Chase Young (voice)

as Waiter (voice)

as Rikochet (voice)

as Flash Flemming (voice)

as Richie Foley / Gear (voice), Richie Foley (voice)

as Tino (voice)

as Garrett Miller (voice)

as King Louie

as Shnookums (voice)

as Rich Halke

as Eddie Munster

as Cavin (voice)