Iconic Welsh rock musician Mike Peters' rise to fame, battle with cancer and inspiring return, featuring one-of-a-kind performances from other legendary musicians.
| Actor | Role |
|---|---|
 Fred ArmisenSelf | Self |
 Billy CorganSelf | Self |
 Duff McKaganSelf | Self |
 Martha QuinnSelf | Self |
 Richard BladeSelf | Self |
 Slim Jim PhantomSelf | Self |