Jack Bennett 'Bionic-1' / Klunk (voices)

Dr. Wilmer Sharp Ph.D. 'Dr. Scarab' (voice)

Helen Bennett 'Mother-1' (voice)

Eric Bennett 'Sport-1' (voice)

Meg Bennett 'Rock-1' (voice)

Bunjiro "Bunji" Tsukahara 'Karate-1' (voice)

James Dwight "J.D." Corey 'IQ' (voice)

F.L.U.F.F.I. (voice)

Madame-O (voice)

Mechanic / Glove / Chopper (voices)

Prof. Amadeus Sharp (voice)

Edward Tully (voice)

Dr. Hugo Fish (voice)