Sebastian Montes Director Scooter Tidwell Director Tara Strong Ben Tennyson Voice Paul Eiding Grandpa Max Voice Meagan Smith Gwen Tennyson Voice Dwight Schultz Dr. Animo Voice Dee Bradley Baker Wildmutt, Eye Guy, Gluto, Robotice Lt, Alien Prisoner 1 Voice Steve Blum Heatblast, Vilgax, Nightmarish Alien, Alien Fly Prisoner Voice Richard Steven Horvitz Grey Matter, Stinkfly Prisoner Voice Jim Ward XLR8, Ripjaws Prisoner, Incarceron Security Voice Greg Klein Screenwriter Thomas Pugsley Screenwriter John Paesano Original Music Donna Smith Producer