ABOUT YEARDLEY SMITH
Stage and screen actress who became known to the world as the voice of know-it-all Lisa Simpson on The Simpsons .
She appeared in plays and theatrical productions in both Washington, DC and New York City.
She played Jackie Simpson in the film As Good As it Gets , which starred Jack Nicholson .
She was married and divorced twice.
In 1987, she became the voice of Lisa Simpson on Matt Groening 's The Simpsons, the longest-running, most successful animated television show of all time.