Dexter / D22 / Old Man Dexter (voice)

Christine Cavanaugh

Acting

Mandark / Executive Mandark / Overlord Mandark / Braindark (voice)

Eddie Deezen

Acting

Mandark Robot / Dad / Robot #1 / Officer 9412 (voice)

Jeff Bennett

Acting

Mom / Head Secretary (voice)

Kath Soucie

Acting

Dee Dee (voice)

Kat Cressida

Acting

Curator / Village Man / Robot #2 / Computer / Man (voice)

Tom Kenny

Acting