Malcolm-Jamal Warner died at 54, with his official cause of death now being revealed. The actor was on a family vacation in Costa Rica when he died from an accidental drowning, the Judicial ...

Following "The Cosby Show" star Malcolm-Jamal Warner's accidental drowning in Costa Rica, a second man is reported to be involved.

US actor Malcolm-Jamal Warner, who played the son in the smash-hit sitcom "The Cosby Show," has drowned in Costa Rica, authorities in the country said Monday. He was 54.

Warner was on a family trip in Costa Rica, a source previously told PEOPLE. The actor, best known for his roles in The Cosby Show, Malcolm & Eddy and The Resident, was 54.

Malcolm-Jamal Warner, the actor who played teenage son Theo Huxtable on “The Cosby Show,” has died at age 54 in an accidental drowning in Costa Rica, authorities there said.

According to TMZ, Warner was "looking forward to some R & R in Costa Rica just one week before his tragic passing" when the photo was taken at the airport.

Malcolm-Jamal Warner the actor who played teenage son Theo Huxtable on “The Cosby Show,” has died at age 54 in an accidental drowning in Costa Rica, authorities there said.

Malcolm-Jamal Warner, former ‘Cosby Show' star, dies at 54 in Costa Rica drowning He was swimming at Playa Grande de Cocles in Limon province when a current pulled him deeper into the ocean.