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 (voice) Richard DoyleEnoch (voice) Dwight SchultzDr. Animo (voice) Charlie SchlatterKevin Levin (voice) Jennifer HaleGilbert / Mandy (voice) Kari WahlgrenCharmcaster (voice) Vanessa MarshallTini (voice) Kim Mai GuestElsgood / Grandkid / Kid #1 (voice) Cree SummerFrightwig (voice) Jeff DoucetteThumbskull (voice) Billy WestGuard / Punk #2 (voice) Dave FennoyRadio Newscaster / Doctor (voice) Nancy LinariTour Guide / Reporter / Screaming Woman (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 TidwellRegie / Storyboard Alex SotoRegie / Supervising Producer James Taylor PhillipsAutor Dave JohnsonArt Direction / Character Designer Donna SmithPost Production Producer Alicia ParkinsonPost Production Coordinator Rebecca PalatnikProduction Assistant Mike CollinsProduction Assistant Rossitza LazarovaProduction Coordinator Phillip BourassaCharacter Designer 
