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"The Cosby Show" star drowned in Costa Rica, according to the Associated Press. He was 54.

Fox News Digital has reached out to Warner's representative for comment.

Warner gained fame as the son of Heathcliff Huxtable, played by Bill Cosby, on the sitcom from 1984 to 1992. He went on to star in the shows "Reed Between The Lines" and "Malcom &amp; Eddie."

<div class="m"><picture> <img src="https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2025/07/1200/675/malcolm-jamal-warner-cosby-show.jpg?ve=1&amp;tl=1" alt="Malcolm-Jamal Warner wears blue sweater" width="100%" height="auto"></picture></div> <div class="info"><div class="caption"><p><span>Malcolm-Jamal Warner was known for portraying Theo Huxtable on "The Cosby Show."</span> <span>(NBC)</span></p></div></div>

<i>This is a developing story. Check back for updates.</i>

"The Cosby Show" star Malcolm-Jamal Warner died at the age of 54. The actor first gained fame as Theo Huxtable on the NBC sitcom, which ran from 1984 until 1992.{ai:summary}<p>Malcolm-Jamal Warner, best known for his role as Theo Huxtable on "The Cosby Show," has died at the age of 54 in a drowning incident in Costa Rica. Warner's career included roles in "Reed Between The Lines" and "Malcom & Eddie." </p><p>Fox News Digital has reached out for further comment. This is a developing story. #culture</p>

'The Cosby Show' star Malcolm-Jamal Warner dead at 54

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