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)
Bunk Gardner
(Self)
Buzz Gardner
(Self)
Lowell George
(Self)
Dick Kunc
(Self)
Manfred Lerch
(Self)
C. Mercedes Lewis
(Girl Who Was A Sofa)
Sal Lombardo
(Self)
Meredith Monk
(Red Face Girl)
Billy Mundi
(Rollo)
Janet Neville-Ferguson
(Self / Market Clerk)
Lucy Offerall
(Self / Market Clerk (as Miss Lucy))
Fritz Rau
(Self)
Linda Ronstadt
(Self)
Carl Schenkel
(Self)
Cal Schenkel
(Self)
Stumuk
(Elderly Biff Debris)
Arthur Dyer Tripp III
(Self)
Ian Underwood
(Self)
Haskell Wexler
(Self)
Tom Wilson
(Self)
Annie Zannas
(Self)
Ray Collins
(Self / Bill Yurds)
Carlo Zappavigna
(Young Minnesota Tishman)