The story of how George Michael and Andrew Ridgeley's Wham! turned one song into a cultural phenomenon. As well as new interviews with Wham! fans and friends, figures such as Mary J Blige, Sir Bob Geldof, Neil Tennant and Sam Smith give their views on the song's themes of unrequited love and loss.
| Actor | Role |
|---|---|
 George MichaelSelf (archive footage) | Self (archive footage) |
 Andrew RidgeleySelf | Self |
| PPepsi DeMacqueSelf | Self |
 Mary J. BligeSelf | Self |
 Martin KempSelf | Self |
 Sam SmithSelf | Self |
 Neil TennantSelf | Self |
 Simon Napier-BellSelf | Self |
 Andrew MorahanSelf | Self |
 Roman KempSelf | Self |
 Bob GeldofSelf | Self |
 Shirlie KempSelf | Self |
| CCheryl HarrisonSelf | Self |
| PPat FernandesSelf | Self |
| JJonny FowlerSelf | Self |
| DDavid RidlerSelf | Self |
| CChris PorterSelf | Self |
| CChris CameronSelf | Self |
| KKathy HillSelf | Self |
| SStefan ZurbriggenSelf | Self |