This paege contains the list of cast members of The Cosby Show throughout its run on NBC-TV from 1984-92.
- Phylicia Rashād (credited as Phylicia Ayers-Allen before marriage to Ahmad Rashād in 1985) - appears on the series as Clair Huxtable, Esq., an attorney, Cliff's wife
- Malcolm-Jamal Warner - played the role of Theodore Aloysius "Theo" Huxtable
Cliff and Clair's son
- Keshia Knight Pulliam - played the part of Rudith Lillian "Rudy" Huxtable, the youngest child in the Huxtable family
- Tempestt Bledsoe - appears on the series as Vanessa Huxtable, the third daughter in the Huxtable family
- Lisa Bonet - appears as Denise Huxtable Kendall (seasons 1–3 and seasons 6–7; recurring in seasons 4 and 5) the second daughter born to Clair and Cliff Huxtable
- Sabrina Le Beauf - appears on the show as Sondra Huxtable-Tibideaux, Esq., like her mother, an attorney, the eldest of the Huxtable children (seasons 2–8; recurring in season 1)
- Geoffrey Owens - plays the part of Dr. Elvin Tibideaux, M.D., Sondra's husband in seasons 4–8; recurring in seasons 2 and 3
- Raven-Symoné - plays the role of Olivia Kendall, Cliff and Clair's step-granddaughter, and Denise's new stepdaughter, when she married Martin Kendell in Season 6 (appears in seasons 6–8)
- Joseph C. Phillips - appears as LT. Martin Kendell, USN in seasons 6 and 7, then recurring in season 8
- Erika Alexander - plays the part of Pamela "Pam" Tucker in seasons 7 and 8
- Karen Malina White - plays the role of Charmaine Brown, best friend of Pam Charmaine later became a regular on the final season of A Different World.
- Allen Payne - appears as Lance Rodman: boyfriend of Charmaine