Sonic Underground: Secrets of the Chaos Emerald

Jaleel White

Sonic / Manic / Sonia (voice)

Brian Drummond

Knuckles the Echidna (voice)

Garry Chalk

Dr. Robotnik (voice)

Gail Webster

Queen Aleena (voice)

Peter Wilds

Dingo (Voice)

Maurice LaMarche

Sleet / Athair / Swatbot (voice)