Cloris Leachman (1926-2021) was a guest star on The Muppet Show episode 224.
She also made a cameo appearance in The Muppet Movie as Miss Tracy, Lew Lord's secretary.
Leachman is best known as Phyllis Lindstrom, the character she played on The Mary Tyler Moore Show from 1970 to 1975, and in her own spin-off, Phyllis, from 1975 to 1977. She also played Frau Blücher in the 1974 Mel Brooks' film Young Frankenstein. She co-starred in the Wonder Woman pilot and the 2005 film Sky High with Muppet Show guest star Lynda Carter.
Leachman was a contestant on Dancing with the Stars' seventh season. On the season nine finale in 2009, Miss Piggy interviewed Leachman, who was making a guest appearance. During the interview, Leachman joked about avoiding Miss Piggy, for fear of getting the "swine flu."
Leachman is the only actress who has won five Emmys in five separate categories and won the 1972 Academy Award for Best Actress in a Supporting Role, for her role in The Last Picture Show.