The documentary examines Frank Zappa and his music through archive footage, including unique video excerpts from Austrian television archives featuring interviews with Zappa and backstage scenes from the 1970s and 1980s. The entire film is divided into chapters discussing the most important themes in Zappa's life and work.
| Actor | Role |
|---|---|
 Frank ZappaSelf | Self |
 Dweezil ZappaSelf | Self |
 Ahmet ZappaSelf | Self |
 Keith MoonSelf (archive footage) | Self (archive footage) |
 Brian MaySelf | Self |
 Ringo StarrSelf (archive footage) | Self (archive footage) |
 Keith RichardsSelf | Self |
| NNicolas SlonimskySelf | Self |
 Neil JordanSelf (archive footage) | Self (archive footage) |
 Andy SummersSelf | Self |
 Jean-Luc PontySelf | Self |
 George DukeSelf | Self |
| MMark VolmanSelf (archive footage) | Self (archive footage) |
| HHoward KaylanSelf | Self |
 Warren CuccurulloSelf | Self |
 Peter WolfSelf (archive footage) | Self (archive footage) |
 Steve VaiSelf | Self |
| JJimmy Carl BlackSelf | Self |
| DDon PrestonSelf | Self |
 Chad WackermanSelf | Self |
| JJohn SmothersSelf (archive footage) | Self (archive footage) |
| TThomas NordeggSelf (archive footage) | Self (archive footage) |
| EEnsemble ModernSelf (archive footage) | Self (archive footage) |
| RRudi DolezalSelf (archive footage) | Self (archive footage) |
| GGail ZappaSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |