Nigel Planer narrates a documentary which traces the origins and development of British heavy metal from its humble beginnings in the industrialised Midlands to its proud international triumph. Contributors include Lemmy, Sabbath's Tony Iommi, Ian Gillan from Deep Purple, Judas Priest singer Rob Halford, Bruce Dickinson from Iron Maiden and Saxon's Biff Byford.
| Actor | Role |
|---|---|
 Glenn TiptonSelf | Self |
 Rob HalfordSelf | Self |
| BBrian TatlerSelf | Self |
 Jon LordSelf | Self |
 Malcolm DomeSelf | Self |
 Bill WardSelf | Self |
 Dave DaviesSelf | Self |
 Ian GillanSelf | Self |
| NNeal KaySelf | Self |
| SSteve BroughtonSelf | Self |
| EEdgar BroughtonSelf | Self |
 Bruce DickinsonSelf | Self |
 Arthur BrownSelf | Self |
 Burke ShelleySelf | Self |
 Tony IommiSelf | Self |
 Geezer ButlerSelf | Self |
 Mick BoxSelf | Self |
| BBiff ByfordSelf | Self |
 Lemmy KilmisterSelf | Self |
 Nigel PlanerSelf | Self |