Malcolm-Jamal Warner, Theo from The Cosby Show, drowns at 54

Malcolm-Jamal Warner, the actor best known for playing son Theodore "Theo" Huxtable on the hit TV sitcom "The Cosby Show," has died at 54.

Warner drowned yesterday off the coast of Costa Rica, the Costa Rican National Police told ABC News. The official cause of death was asphyxiation, police said.

The actor died near Cocles, a beach in Limón, Costa Rica. Police said he was swept into the water by a strong current and was found yesterday afternoon.