In the third of Sky One's specials celebrating 20 years of "The Simpsons", Ricky Gervais speaks to a selection of the huge number of celebrities who have guest-starred on the show over the years.
First Air Date: 1989-12-17
Runtime: 00:22:14 minutes
Genre: Family, Animation, Comedy
Stars: Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith, Hank Azaria, Harry Shearer