From Muppet Wiki

Tyne Daly was born in Madison Winconsin USA in 1946. She has graduated from the American Musical and Dramatic Academy in New York City and won Broadway's 1990 Tony Award as Best Actress (musical) for a revival of Gypsy. She has appeared in a lot of such series and movies as Bye Bye Birdie, Movers and Shakers and The Aviator. In the acclaimed children's TV series Sesame Street she appeared on the song "Monster in the Mirror" with other celebrities.