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</div> </div> <p><em><a href="http://decider.com/show/the-cosby-show" target="_blank" rel="noopener">The Cosby Show</a></em> alum <a href="http://decider.com/tag/malcolm-jamal-warner" target="_blank" rel="noopener">Malcolm-Jamal Warner</a> has died at the age of 54, according to reports from <em><a href="https://people.com/malcolm-jamal-warner-cosby-show-dead-54-11775980" target="_blank" rel="noopener">People</a></em> and <a href="https://www.tmz.com/2025/07/21/malcolm-jamal-warner-dead-cosby-show/" target="_blank" rel="noopener">TMZ</a>.</p> <p>Per <em>People</em>‘s report, Warner passed away after drowning while on a family vacation in Costa Rica.</p> <p>While IMDb lists Warner’s first acting credit as a 1982 appearance on <em>Matt Houston</em>, he landed his breakout role as Theo Huxtable on <em>The Cosby Show</em>, appearing in nearly every episode of the eight-season-long sitcom.</p> <p><em>This story is breaking. More to come…</em></p>  

Warner starred as Theo Huxtable on the hit ’80s sitcom.{ai:summary}<p>Malcolm-Jamal Warner, known for his role as Theo Huxtable on "The Cosby Show," has died at the age of 54. Reports indicate he drowned while on a family vacation in Costa Rica.</p><p>Warner's career began in 1982, but he gained fame through his nearly full run on the iconic sitcom. This is a developing story. #culture</p>

R.I.P. Malcolm-Jamal Warner: 'Cosby Show' and '9-1-1' star dead at 54

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