Warner was just 14 when The Cosby Show premiered in 1984, with the actor starring as Bill Cosby’s only on-screen son until the show wrapped in 1992.

American actor Malcolm-Jamal Warner, who played Bill Cosby's son Theo on the 1980s groundbreaking television hit "The Cosby Show," died at age 54 on Monday by drowning, a law enforcement source confir...