Gloria Henry - 98
Fans of the Dennis the Menace sitcom are sure to recognize Gloria Henry by her role as Dennis’ mother, Alice Mitchell. After moving to Los Angeles, Gloria debuted on The Sport of Kings, and soon after appeared in movies, such as Miss Grant Takes Richmond and Rancho Notorious. After the show had ended, she appeared occasionally on TV, but her career slowed down. In 2012, she had a guest appearance on Parks and Recreation. Gloria passed away in April 2021 at the age of 98.
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