Ben Tennyson (voice)
Gwen Tennyson (voice)
Grandpa Max (voice)
Stinkfly / Wildmutt (voice)
Ghostfreak / Heatblast / Vilgax (voice)
Four Arms (voice)
Diamondhead / Wildvine / XLR8 (voice) / Diamondhead / XLR8 (voice)
Grey Matter (voice)
Cannonbolt (voice) / Cannonbolt / Ripjaws (voice)
Hex (voice) / Foreman / Forever Knight #1 (voice)
Enoch (voice) / Dr. Shueman (voice)
Dr. Animo (voice) / Earl (voice)
Kevin Levin (voice)
Teacher / Jamie (voice) / Gilbert / Mandy (voice)
Charmcaster (voice) / Grey Matter Gwen (voice)
Female Cannonbolt / Policewoman (voice) / Tini (voice)
Ultimos (voice) / Donovan (voice)
Pinky / Kid (voice) / Elsgood / Grandkid / Kid #1 (voice)
Little Boy / Tiffany (voice) / Joan / Teen #2 / Cowgirl (voice)
Frightwig (voice)
Thumbskull (voice)
Kraab (voice) / Guard / Punk #2 (voice)
Hoverboard (voice) / Radio Newscaster / Doctor (voice)
Tour Guide / Reporter / Screaming Woman (voice) / Automated Voice (voice)
