Wild Man Fischer
Self
Frank Zappa
Self (archive footage)
Don Van Vliet
Self (archive footage)
'Weird Al' Yankovic
Self
Bill Mumy
Self
Gail Zappa
Self
David Fischer
Self
Freak
Self
Mark Mothersbaugh
Self
Gigi Shepard
Self
Harold Bronson
Self
Solomon Burke
Self
Ruth Buzzi
Self (archive footage)
Josephine Chuey
Self
Irwin Chusid
Self
Dennis P. Eichhorn
Self
Miguel Ferrer
Self
David Fischer
Self
Richard Foos
Self
Robert Haimer
Self
Barry Hansen
Self (as Dr. Demento)
Fugly the Klown
Self
Dick Martin
Self (archive footage)
Bill Paxton
Self (archive footage)
Dan Rowan
Self (archive footage)
Louis Sass
Self (as Dr. Louis Sass)
Wesley Willis
Self (archive footage)