 Tara StrongBen Tennyson (voice) | Ben Tennyson (voice) |
 Meagan MooreGwen Tennyson (voice) | Gwen Tennyson (voice) |
 Paul EidingGrandpa Max (voice) | Grandpa Max (voice) |
 Richard McGonagleFour Arms (voice) | Four Arms (voice) |
 Robert David HallAzmuth (voice) | Azmuth (voice) |
 Fred TatascioreCannonbolt / Way Big (voice) | Cannonbolt / Way Big (voice) |
 Vanessa MarshallMyaxx / Salesperson (voice) | Myaxx / Salesperson (voice) |
 Dwight SchultzDr. Animo (voice) | Dr. Animo (voice) |
 Steve BlumVilgax / Heatblast / Nightmarish Alien / Alien Fly Prisoner (voice) | Vilgax / Heatblast / Nightmarish Alien / Alien Fly Prisoner (voice) |
 Jim WardXLR8 / Ripjaws Prisoner / Incarcecon Security (voice) | XLR8 / Ripjaws Prisoner / Incarcecon Security (voice) |
 Dee Bradley BakerRobotic Lt / Wildmutt / Gluto / Eye Guy / Alien Prisoner #1 / Automated Security (voice) | Robotic Lt / Wildmutt / Gluto / Eye Guy / Alien Prisoner #1 / Automated Security (voice) |
 Richard Steven HorvitzGrey Matter / Stinkfly Prisoner (voice) | Grey Matter / Stinkfly Prisoner (voice) |
 Dave WittenbergUpchuck / Alien #2 (voice) | Upchuck / Alien #2 (voice) |
 Dave FennoyTetrax / Alien #1 / Alien Prisoner #2 (voice) | Tetrax / Alien #1 / Alien Prisoner #2 (voice) |
