Image Credit: Michael Ochs Archives The Cosby Show cast is mourning the loss of one of their own. Malcolm-Jamal Warner, who played the role of Theodore "Theo" in the show, died in July 2025 following an accidental drowning in Costa Rica. He was 54 years old and is survived by a wife and daughter. For those wondering where the rest of The Cosby Show cast has been, here's an update on the former co-stars. (Photo by Michael Ochs Archives/Getty Images) Bill Cosby ("Cliff Huxtable") In 2018, Bill Cosby was found guilty of drugging and sexually assaulting Andrea Constand in 2004.