Beneath the Planet of the Apes (1970)/Sonic

Cast

 * Brent as Sonic
 * Cornelius as Tails
 * Cornelius (Roddy McDowall) as Shadow (uncredited, opening archive footage from Planet of the Apes)
 * Zira as Amy Rose
 * Dr. Zaius as Silver
 * Nova as Cream
 * Mendez as Espio
 * Albina as Rogue
 * Capay as Vector
 * Verger as Dr. Robotnik/Eggman
 * Adiposo (credited as Fat Man) as Knuckles
 * Ongaro (credited as Negro) as Scratch
 * General Ursus as Lucas
 * Taylor as Chris
 * Skipper as Grounder
 * Minister as Coconuts
 * The Narrator as Antoine