The complex and revolutionary music and lyrics of Marc Bolan and T. Rex, the glam rock powerhouse behind “Bang a Gong (Get it On)” and other iconic songs. Featuring archival performances and interviews with Elton John, Ringo Starr, and David Bowie, plus filmed musical interpretations by artists such as Nick Cave, John Cameron Mitchell, Joan Jett, Macy Gray, U2, and Father John Misty.
| Actor | Role |
|---|---|
 Marc BolanSelf (archive footage) | Self (archive footage) |
 Gloria JonesSelf | Self |
| RRolan BolanSelf | Self |
 Ringo StarrSelf | Self |
 Nick CaveSelf | Self |
 Hal WillnerSelf | Self |
 David BowieSelf (archive footage) | Self (archive footage) |
 Joan JettSelf | Self |
 Marc RibotSelf | Self |
| BBill FrisellSelf | Self |
 BonoSelf | Self |
 The EdgeSelf | Self |
 Larry Mullen Jr.Self | Self |
 Adam ClaytonSelf | Self |
| DDevendra BanhartSelf | Self |
| RRodrigo AmaranteSelf | Self |
 Father John MistySelf | Self |
 Macy GraySelf | Self |
 Beth OrtonSelf | Self |
 KeshaSelf | Self |
 Wayne KramerSelf | Self |
 John Cameron MitchellSelf | Self |
| CChes SmithSelf | Self |
 Elton JohnSelf | Self |
| BBill LegendSelf | Self |