(back row, l-r) Lisa Bonet as Denise Huxtable, Warner as Theodore 'Theo' Huxtable, Phylicia Rashad as Clair Hanks Huxtable, Sabrina Le Beauf as Sondra Huxtable Tibideaux, (front row, l-r) Keshia Knight Pulliam as Rudy Huxtable, Bill Cosby as Dr. Heathclif