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