Neighbor / Demon (segment "The Greatest Song in the World")
Scott Adsit
Jesus Ranch Cult Member (segment "Road Gig")
Dave Allen
Himself - Tour manager
Benjamin Cooley
(segment "The Fan")
Stephanie Courtney
Comic Dressed as Nun (segment "Angel in Disguise")
David Cross
(segment "Road Gig")
Ken Daly
Captain Ed (segment "Death of a Dream")
Ernest M. Garcia
Dr. G (segment "Tribute")
David Grohl
(segment "Road Gig")
Jay Johnston
Himself (segment "The Making of Wonderboy")
Spike Jonze
Backstage Betty (HBO shorts)
Laura Kightlinger
Waitress (segment "The Search for Inspirado")
Karen Kilgariff
Girl at Club (segment "The Search for Inspirado")
Ali MacLean
Flarna (segment "Angel in Disguise")
Laura Milligan
Laly (segment "Road Gig")
Evie Peck
Lee (segment "The Fan")
JR Reed
Passerby (segment "Tribute")
Ben Stiller
Paul (HBO shorts)
Paul F. Tompkins
(segment "Road Gig")
Jim Turner
Armed Bandit (segment "Angel in Disguise")
Kirk Ward
Art Gallery Visitor (segment "The Fan")
Moon Unit Zappa
H. G. Wells
DeMorge Brown
