Calificación
Reparto

Frank Zappa
Member of Mothers of Invention (uncredited)

Mark Volman
Member of Mothers of Invention

Howard Kaylan
Member of Mothers of Invention

Ian Underwood
Member of Mothers of Invention

Aynsley Dunbar
Member of Mothers of Invention

George Duke
Member of Mothers of Invention

Theodore Bikel
Rance Muhammitz / Dave

Keith Moon
Hot Nun

Ringo Starr
Larry the Dwarf / Frank Zappa

Janet Neville-Ferguson
Groupie #1 (Janet Ferguson)

Lucy Offerall
Groupie #2 (Lucy)

Jimmy Carl Black
Lonesome Cowboy Burt

Martin Lickert
Jeff

Dick Barber
Bif Debris - The Vacuum Cleaner

Don Preston
Don

Pamela Des Barres
Interviewer (as Pamela Miller)