Malcolm-Jamal Warner's cause of death has been released by police. The actor, who is best known for his role as Theo Huxtable in the hit TV sitcom "The Cosby Show," died on Sunday off the coast of Costa Rica after a drowning, Costa Rican National Police told ABC News. He was 54.

The beloved actor died at 54 while on vacation with his family in Costa Rica. Learn more about his sudden passing and cause of death here.

Jamal Warner, best known for his role on "The Cosby Show," has died in an accidental drowning in Costa Rica, where he was vacationing with his family, officials there said. He was 54. Warner drowned Sunday afternoon in Cocles de Limón,