Mitchell Whitfield

as Dr. Barry Farber

as Demi (voice)(147 eps)

as Fixit (voice)(71 eps)

as Boo / Additional Voices (voice)(1 ep)

as Gun (voice)(4 eps)

as Oooey Gablooey (voice)(3 eps)

as Palladium (voice)

as Palladium (voice)

as Avra (voice)

as Donatello / Additional Voices (voice)

as Russell Thorne (voice)

as Mr. Blaine(1 ep)

as Principe Phobos (voice)(52 eps)

as Don

as Sister's Fiancé(1 ep)

as Cameron Nelson(1 ep)

as Klerm (voice)(2 eps)

as Ian Packard(1 ep)

as Larry

as Mark Gildewell

as Sol

as Gordon Rosner

as Ben

as Benny Pinser

as Mickey Zimmerman

as Norbert Beaver

as Barry Farber(5 eps)

as Eddie Clark(1 ep)

as Arnold Baskin(2 eps)

as Stan Rothenstein

as Benjamin

as Curly

as Matt(1 ep)

as Teddy Cardozo(1 ep)

as Bedwet Micky