Malcolm-Jamal Warner, who starred in The Cosby Show as Theo Huxtable, has died. According to multiple reports, including from CNN and People Monday, Warner died Sunday following an accidental drowning while swimming during a family vacation in Costa Rica. He was 54.

Malcolm-Jamal Warner, known as Theo from 'The Cosby Show,' drowned in Costa Rica at 54 while swimming at Playa Cocles, leaving behind a legacy in both acting and music.

Actor Malcolm-Jamal Warner, best known for his role as Theo Huxtable on "The Cosby Show," has died. He was 54 years old. Costa Rica’s Judicial Investigation Department said Monday that Warner, a New York native and Atlanta resident,