Sonic/Super Mario Bros. Heroes of the Stars

Cast

 * Sonic as Mario
 * Knuckles as Luigi
 * Tails as Yoshi
 * Dr. Robotnik/Eggman as Bowser
 * Cream as Starlow
 * Cheese as Twink
 * Shadow as Toadbert
 * Silver as Toadsworth
 * Scratch as Wario
 * Grounder as Waluigi
 * Coconuts as Bowser Jr.
 * Robotnik Jr. as Boshi
 * Amy as Princess Peach
 * Blaze as Princess Daisy
 * Cosmo as Princess Rosalina
 * Big Foot as Goomboss
 * Hot Shot as King Wart
 * Tails Doll as General Guy
 * Metal Sonic as Mecha Mario
 * King Boom Boo as Midbus
 * Egg Golem as King K. Rool
 * E-123 Omega as Petey Piranha
 * Biolizard as Crystal King
 * Chaos 0 as Gordus
 * Chaos 2 as Magnus
 * Rosy the Rascal as Princess Shroob
 * O'Nux as Shrooz
 * Scourge as Fawful
 * Anti-Tails as Jr. Troopa
 * Eggman Nega as Dark Bowser
 * Storm as Donkey Kong
 * Jet as Diddy Kong
 * Vector as Eldstar
 * Espio as Muskular
 * Charmy as Klevar
 * Mighty as Kalmar
 * Ray as Skolar
 * Vanilla as Misstar
 * Nicole as Mamar