Tara StrongBen Tennyson (voice) Meagan MooreGwen Tennyson (voice) Paul EidingGrandpa Max (voice) Dee Bradley BakerStinkfly / Wildmutt (voice) Steve BlumGhostfreak / Heatblast / Vilgax (voice) Richard McGonagleFour Arms (voice) Jim WardDiamondhead / Wildvine / XLR8 (voice) Richard Steven HorvitzGrey Matter (voice) Fred TatascioreCannonbolt / Ripjaws (voice) Richard DoyleEnoch (voice) Dwight SchultzDr. Animo (voice) Charlie SchlatterKevin Levin (voice) Jennifer HaleJoey (Rojo) (voice) Kari WahlgrenCharmcaster (voice) Vanessa MarshallDiamond Head Gwen / Four Arms Gwen (voice) Kim Mai GuestAndy (voice) Kath SoucieLittle Boy / Tiffany (voice) Cree SummerFrightwig (voice) Jeff DoucetteThumbskull (voice) Billy WestGuard / Punk #2 (voice) Dave FennoyHoverboard (voice) Nancy LinariAutomated Voice (voice) Grey DeLisleHeatblast Gwen (voice) Dave WittenbergUpchuck (voice) Michael DornVicktor (voice) Robert PatrickPhil (voice) Michael ReiszKevin Levin (voice) Nolan NorthTeen Attendant / Henchman (voice) Rosalind ChaoCouncilwoman Liang (voice) Miriam FlynnAunt Vera (voice) John KassirZombozo (voice) Larry CedarHowell (voice) Nicholas GuestClancy (voice) Robin Atkin DownesJonah (voice) Walker EdmistonMarty (voice) Mikey KelleyGang #2 / Attendant / Helicopter Pilot (voice) Robert PicardoLeader Alien (voice) James C. Mathis IIIEnforcer Alien (voice) Bill RatnerThe Seer (voice) Jack AngelTechnorg (voice) Armin ShimermanSlix (voice) Greg EllisSynaptak (voice) John DiMaggioVulkanus (voice) Patricia LentzMildred / Gypsy (voice) Jennifer MalenkeMissy (voice) Keone YoungIshyama (voice) Clancy BrownKenko (voice) John CyganAbel North (Kangaroo Commando) / Kane North (voice) Jess HarnellBand Member #1 / Announcer (voice) Marc ThompsonVance (voice) Richard GreenBenmummy (voice) Michael GoughLt. Steel (voice) Scooter TidwellDirector / Storyboard Alex SotoDirector / Supervising Producer James Taylor PhillipsEscritor Dave JohnsonArt Direction / Character Designer Donna SmithPost Production Producer Rossitza LazarovaProduction Coordinator Mike CollinsProduction Assistant Rebecca PalatnikProduction Assistant Alicia ParkinsonPost Production Coordinator Phillip BourassaCharacter Designer 
