Malcolm-Jamal Warner, best known for playing Theodore "Theo" Huxtable on The Cosby Show, has died. He was 54. TMZ first broke the news, reporting his death occurred in Costa Rica and was an apparent drowning. Per AP, Costa Rican officials said he was swimming at Playa Cocles in Limon when the current pulled him deeper into the ocean.

Keshia Knight Pulliam just dropped a tearjerker tribute to her "Cosby Show" costar Malcolm-Jamal Warner. In a Sunday night IG post, Keshia shared a haunting clip of Malcolm-Jamal jamming on bass at Atlanta’s City Winery -- and her caption cut deep: "A week ago I lost my big brother,

"Cosby Show" and "Malcolm & Eddie" actor Malcolm-Jamal Warner has drowned while on vacation with family in Costa Rica, according to reports. He was 54.