Malcolm-Jamal Warner, best known for his iconic role as Theo Huxtable on The Cosby Show, has died at the age of 54.

According to People, the actor tragically drowned while swimming during a vacation with his family.

Further details have yet to be confirmed.

Warner became a household name in the 1980s, starring as the only son of Cliff and Clair Huxtable on the hit sitcom.