Guest Stars James Arnold Taylor voices The Leader Steve Blum voices Sauron Clancy Brown voices General Rossasaurus Fred Tatasciore voices Doombot Fred Tatasciore voices Dino #1 Steve Blum voices El Diablo Steve Blum voices Baby Devil Dinosaur J.K. Simmons voices J. Jonah Jamesasaurus Drake Bell voices Spider-Raptor James Arnold Taylor voices Moon Boy James Arnold Taylor voices Curious Dino Ben Diskin voices Dino #2