An acclaimed actress, she gained fame as an original cast member of "Saturday Night Live" from 1975 to 1980, where her sharp wit and comedic timing shone. Transitioning to television, she starred in the sitcom "Kate & Allie" and later in "3rd Rock from the Sun," earning multiple Emmy Awards. Her film roles include "Coneheads" and "The Librarian" series. Known for her versatility, she has also appeared on stage and in numerous TV guest roles, maintaining a respected career in entertainment.