?
Don Preston
Self (AKA Dom DeWilde) / Biff Debris / Uncle Meat
Frank Zappa
Self / The Imaginary Director
?
Phyllis Smith Altenhaus
Self / Sheba Flieschman (as Phyllis Altenhaus)
?
Dick Barber
Self
?
Massimo Bassoli
Adult Minnesota Tishman
Rodney Bingenheimer
Self
?
Jimmy Carl Black
Self
?
Aynsley Dunbar
Self / Biff Junior
?
Roy Estrada
Self
?
Francesca Fisher
The Countess