The story of the triumphs and hurdles of brothers Barry, Maurice, and Robin Gibb, otherwise known as the Bee Gees. The iconic trio, who found early fame in the 1960s, went on to write over 1,000 songs and have 20 No. 1 hits throughout their career, transcending more than five decades of changing tastes and styles.
| Actor | Role |
|---|---|
 Barry GibbSelf | Self |
 Andy GibbSelf (archive footage) | Self (archive footage) |
 Maurice GibbSelf (archive footage) | Self (archive footage) |
 Robin GibbSelf (archive footage) | Self (archive footage) |
 LuluSelf | Self |
 Noel GallagherSelf | Self |
 Chris MartinSelf | Self |
 Mark RonsonSelf | Self |
 Nick JonasSelf | Self |
 Eric ClaptonSelf | Self |
| MMykael S. RileySelf | Self |
 Justin TimberlakeSelf | Self |
| NNicky SianoSelf | Self |
| BBill OakesSelf | Self |
| KKarl RichardsonSelf | Self |
| AAlbhy GalutenSelf | Self |
| PPeter BrownSelf | Self |
| VVince MelouneySelf | Self |
 Alan KendallSelf | Self |
| YYvonne GibbSelf | Self |
| DDennis ByronSelf | Self |
| BBlue WeaverSelf | Self |
| VVince LawrenceSelf | Self |
 Barbra StreisandSelf (archive footage/photos) | Self (archive footage/photos) |
 Lindsey BuckinghamSelf (archive footage) | Self (archive footage) |
 Alice CooperSelf (archive footage) | Self (archive footage) |
 Mick FleetwoodSelf (archive footage) | Self (archive footage) |
 Tom SnyderSelf (archive footage) | Self (archive footage) |
 Steve DahlSelf (archive footage) | Self (archive footage) |
 Meat LoafSelf (archive footage) | Self (archive footage) |