The Cosby Show star Malcolm-Jamal Warner has died of accidental drowning at the age of 54, TMZ reports. TMZ cites an “an unconfirmed, though reliable source” for its report on the cause of the shock death.

One of the main stars of the hit 1980s sitcom The Cosby Show has reportedly died tragically. Malcolm-Jamal Warner, who played Theo Huxtable on the iconic television program, has died at 54, according to multiple reports.

"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.