Beloved TV star Malcolm-Jamal Warner — best known for playing Theo Huxtable for all eight seasons of The Cosby Show from 1984 to 1992 — accidentally drowned at age 54 during a family vacation in Costa Rica,

A ctor and director Malcolm-Jamal Warner, best known for his role on "The Cosby Show," has died in an accidental drowning in Costa Rica, officials there said. He was 54.

Malcolm-Jamal Warner may be best known as the lovable Theo Huxtable from "The Cosby Show," but the versatile actor had a range of roles.