Kadro (13)
John StephensonJack Bennett 'Bionic-1' / Klunk (voices)
Jim MacGeorgeDr. Wilmer Sharp Ph.D. 'Dr. Scarab' (voice)
Carol BilgerHelen Bennett 'Mother-1' (voice)
Hal RayleEric Bennett 'Sport-1' (voice)Bobbie BlockMeg Bennett 'Rock-1' (voice)
Brian TochiBunjiro "Bunji" Tsukahara 'Karate-1' (voice)Norman BernardJames Dwight "J.D." Corey 'IQ' (voice)
Neil RossF.L.U.F.F.I. (voice)
Jennifer DarlingMadame-O (voice)
Frank WelkerMechanic / Glove / Chopper (voices)
Alan OppenheimerProf. Amadeus Sharp (voice)
Arthur BurghardtEdward Tully (voice)
Howard MorrisDr. Hugo Fish (voice)