By the end of the seventies, disco music, considered too mainstream, was dead. But DJs and dance floors still needed new records and faster rhythms. Built on synthesizer sounds, the hi-nrg (high energy) style swept the gay clubs before hitting the charts during the eighties.
| Actor | Role |
|---|---|
| OOlivier MonssensSelf - Narrator (voice) | Self - Narrator (voice) |
| DDwayne HoltSelf - DJ | Self - DJ |
 FancySelf - Musician | Self - Musician |
| EEvelyn ThomasSelf - Singer | Self - Singer |
| BBobby ViterittiSelf - DJ | Self - DJ |
| DDenyse LePageSelf - Singer | Self - Singer |
 Pete WatermanSelf - DJ | Self - DJ |
| DDan LacksmanSelf - Sound Engineer | Self - Sound Engineer |
 Carmelo La BiondaSelf - Musician | Self - Musician |
 Michelangelo La BiondaSelf - Musician | Self - Musician |
 Ivana SpagnaSelf - Musician | Self - Musician |
 Michael CretuSelf - Musician (archive footage) | Self - Musician (archive footage) |
 Donna SummerSelf - Singer (archive footage) | Self - Singer (archive footage) |
 Ian LevineSelf - DJ | Self - DJ |
| PPatrick CowleySelf (archive footage) | Self (archive footage) |