Roger Craig Smith

Sonic / Dave the Intern / Young Gogoba (voice)

Colleen O'Shaughnessey

Tails / Zooey / Mrs. Vandersnout / Belinda (voice)

Travis Willingham

Knuckles / Soar the Eagle / Obliterator Bot / Old Monkey / Mr. Slate (voice)

Cindy Robinson

Amy Rose / Perci / Elderly Gogoba / Justin Beaver (voice)

Nika Futterman

Sticks / Diane Aardvark (voice)

Mike Pollock

Dr. Eggman / Fastidious Beaver / Mayor (voice)

Kirk Thornton

Orbot / Shadow the Hedgehog (voice)

Wally Wingert

Cubot / Gogoba Chief / Dixon / D.B. Platypus (voice)

Bill Freiberger

Comedy Chimp / Lady Walrus (voice)