Malcolm-Jamal Warner, the Emmy-nominated actor who played Theo Huxtable on 'The Cosby Show,' has died during a family vacation in Costa Rica. He was 54.

Malcolm-Jamal Warner, known for iconic roles on The Cosby Show, The Resident, and most recently Alert: Missing Persons Unit, has died at 54 while vacationing with his family in Costa Rica.

Actor Malcolm-Jamal Warner, best known for his role as Bill Cosby's son Theodore Huxtable on "The Cosby Show," has died, reports say. He was 54.