Cast
- Peter as Sonic/Super Sonic
- Chris as Tails
- Joe as Knuckles
- Brian as Chris Thorndyke
- Lois as Amy
- Olivia Fuller as Cosmo
- Meg as Cream
- Kevin as Cheese
- Seamus as Vector
- Cleveland as Espio
- Quagmire as Charmy
- Mort as Shadow/Super Shadow
- Muriel as Rouge
- Stewie as Dr. Eggman
- Death as Bocoe
- Bertram as Decoe
- The Evil Monkey as Bokkun
- Horace as Lucky
- Jerome as Dark Oak
- Tomak as Black Narcissus
- Bellgarde as Pale Bayleaf
- Jesus Christ as Red Pine
- God as Yellow Zelkova
- Principal Shepherd as Big
- Neil as E-102 Gamma
- Kool-Aid Man as E-101 Beta
- James Williams Bottomtooth III as E-103 Delta
- New Brian as E-104 Epsilon
- Jasper as E-105 Zeta
- Ricardo as E-100 Alpha
- Bonnie as Tikal
- Mr. Washee Washee as Chaos 0
- Jaws as Chaos 2
- Jake Tucker as Chaos 4
- Mickey McFinnagen as Chaos 6
- Fuad as Perfect Chaos
- Steve as Pachacamac
- Loretta Brown as Maria
- Thelma as Molly
- Al Harrington as Leon
- Carter Pewterschmidt as Jerome Wise
- Judge as Albert Butler
- Mr. Weed as Elmer Johnson
- Dylan Flannigan as President
- Paddy as Professor Gerald Robotnik
- Vern as Big Foot
- Johnny as Hot Shot
- James Woods as Flying Dog
- Francis as Egg Golem
- The Greased-Up Deaf Guy as King Boom Boo
- Opie as Biolizard
- 'Til Death as Finalhazard
- Ernie the Giant Chicken as Emerl
- Angela as Vanilla
- Jillian as Helen
- Carl as Danny
- Connie D'Amico as Frances
- Tom Tucker as Nelson Thorndyke
- Dianne Simmons as Lindsey Thorndyke
- Herbert as Chuck Thorndyke
- Barbara Pewterschmidt as Topaz
- Nicole (Ernie's Wife) as Christina Cooper
- Tricia Takanawa as Scarlet Garcia
- Bruce as Mr. Tanaka
- Mayor Adam West as Mr. Stewart
- Ollie Williams as Hawk
- Dr. Hartman as Sam Speed
- Consuela as Ella