What is diana hyland happy days?

Diana Hyland played the role of Joanie Cunningham's mother, Nancy Blansky, on the hit TV show "Happy Days." She appeared in eight episodes during the show's third season in 1975-1976.

Hyland was a prominent actress in the 1960s and 1970s, appearing in films such as "The Chase" and "Smoky." She also had roles in TV shows such as "The Twilight Zone" and "The Fugitive."

Tragically, Hyland was diagnosed with breast cancer during filming of "Happy Days" and passed away in 1977. She was only 41 years old. Her death had a significant impact on the show, leading to the character of Nancy being written out of the series.