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