An American film and television actress, comedian, and voice actress. She was born on October 25, 1957. She moved to Hollywood in 1978 to enter the world of art by performing the voice of Gloria in the animated Richie Rich. Nancy has had millions of roles in animation including: Rugrats, Kim Possible, Animaniacs and The Critic. She had a starring role in the television film Marianne The White Rose (1982) and her first feature film was Twilight Zone: The Movie (1983). She is best known for her long-running role in the animated television series The Simpsons. She won an Emmy Award for Best Primetime Vocal Talent Performance in 1992 and an Annie Award for Best Voice Acting in an Animation in 1995.