Frank Zappa
Self (archive footage)
Acting
Matt Groening
Self (archive footage)
Writing
Ruth Underwood
Self (archive footage)
Acting
Phillip Glasser
Self
Acting
Riccardo Bertoncelli
Self
Acting
Warren Cuccurullo
Self
Acting
Dweezil Zappa
Self
Acting
Ahmet Zappa
Self
Acting
Fabio Treves
Self
Acting
Massimo Bassoli
Self
Acting
Roberto Gatti
Self
Acting
Terry Bozzio
Self
Acting
Claudio Trotta
Self
Acting
Don Preston
Self
Acting
Bunk Gardner
Self
Acting
Jimmy Carl Black
Self
Acting