Wendell Brown acted as a child and teen, voicing Billy Jo Jive in recurring animated segments on Sesame Street.
Brown appeared in the 1977 NBC Special Treat installment "A Piece of Cake" (with Ossie Davis) and paid occasional visits to Captain Kangaroo in 1978 and 1979. He played one of the four main cadets in the 1980 sex comedy film Up the Academy.