Marge Simpson - Wikisimpsons, the Simpsons Wiki
John Goodman - The Infosphere, the Futurama Wiki
William Shatner - The Infosphere, the Futurama Wiki
Jonathan Frakes - The Infosphere, the Futurama Wiki
Walter Koenig - The Infosphere, the Futurama Wiki
Bob Uecker's Head, Futurama Wiki
YARN, This is Bob Uecker saying thanks for watching.
List of Futurama guest stars - Wikipedia
Bob Uecker's Head, Futurama Wiki
David X. Cohen - The Infosphere, the Futurama Wiki
Sigourney Weaver - The Infosphere, the Futurama Wiki