Sheridan made 21 appearances on the iconic sitcom. Hers was the only recurring character to appear on all eight seasons, and she also acted in both the first and last episodes.
Jason Alexander, who played George Costanza on the sitcom, tweeted overnight, "Oh my Lord, just learning of the passing of Liz Sheridan. She was as gracious and graceful a person and actress as you'll ever meet. Fascinating life. Wonderful lady. Rest well. #RIPLizSheridan."
Oh my Lord, just learning of the passing of Liz Sheridan. She was as gracious and graceful a person and actress as you’ll ever meet. Fascinating life. Wonderful lady. Rest well. #RIPLizSheridan
Many of its supporting players and guest stars have died since the series ended in 1998, including Estelle "Estelle Costanza" Harris (1928-2022), Jerry "Frank Costanza" Stiller (1927-2020), Barney "Morty Seinfeld" Martin (1923-2005), Len "Uncle Leo" Lesser (1922-2011), Richard "Mr. Wilhelm" Herd (1932-2020), Walter "the cable guy" Olkewicz (1948-2021), Sam "Ricky the TV Guide collector" Lloyd (1963-2020), Frances "Mabel Choate, the marble rye lady" Bay (1919-2011), Reni (Poppie) Santoni (1938-2020), Daniel "Mr. Kruger" von Bargen (1950-2015), Warren "Henry Ross, father of Susan" Frost (1925-2017), Sandy "Jack Klompus" Baron (1936-2001), Ian "Mr. Pitt" Abercrombie (1934-2012), and others.