Danielle Spencer, who played the wisecracking little sister Dee Thomas on the 1970s sitcom “What's Happening!!” has died. She was 60.

Danielle Spencer is being remembered for her bright spirit by her fellow What's Happening!! cast members. The actress, best known for her role as Dee Thomas in the 1976 sitcom, is being honored by her costars following news of her death at 60.

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