A dramatization of the early years of the hard rock band, Def Leppard, the group faces both success and personal tragedies such as drummer, Rick Allen losing his arm in a car accident and guitarist Steve Clark's alcohol addiction.
| Actor | Role |
|---|---|
| NNick BagnallPete Willis | Pete Willis |
 Karl GearySteve Clark | Steve Clark |
 Adam MacDonaldRick Savage | Rick Savage |
 Esteban PowellPhil Collen | Phil Collen |
| OOrlando SealeJoe Elliott | Joe Elliott |
| TTat WhalleyRick Allen | Rick Allen |
 Dean McDermottPeter Mensch | Peter Mensch |
 Anthony Michael HallMutt Lange | Mutt Lange |
 Amber VallettaLorelei Shellist | Lorelei Shellist |