(Malcolm-Jamal Warner), preteen Vanessa (Tempestt Bledsoe), and young Rudy (Keshia Knight Pulliam). Grandparents Anna and Russell Huxtable (Clarice Taylor and Earle Hyman) frequently appeared, and the irresistible Olivia (Raven-SymonĂ©, who later starred in the Disney Channelâs Thatâs So Raven, 2003â07) was eventually introduced as Cliff and Clairâs five-year-old step-grandchild.
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