Dr. Spencer played the wisecracking Dee Thomas on the 1970s sitcom “What’s Happening!!” and became a veterinarian later in life.

Danielle Spencer, who rose to fame as a child actor, has died. Spencer, a Trenton native, played the hilarious young Dee Thomas in the ABC comedy series “ What’s Happening!! ” The actor, who grew up in the Bronx, later became a veterinarian.

Danielle Spencer, child star of "What's Happening!!" has died at 60 after a battle with cancer, though an official cause of death has not been announced.