 Whitney HoustonSelf (archive footage) | Self (archive footage) |
 Bobby BrownSelf - Ex-Husband | Self - Ex-Husband |
 Cissy HoustonSelf - Mother | Self - Mother |
 Clive DavisSelf - Founder, Arista Records | Self - Founder, Arista Records |
 L.A. ReidSelf - CEO and President, Arista Records 2000-2004 | Self - CEO and President, Arista Records 2000-2004 |
 Kevin CostnerSelf - Actor | Self - Actor |
 Dionne WarwickSelf - Whitney's Cousin (archive footage) | Self - Whitney's Cousin (archive footage) |
 Bobbi Kristina BrownSelf (archive footage) | Self (archive footage) |
 Nelson MandelaSelf (archive footage) | Self (archive footage) |
 Marvin GayeSelf (archive footage) | Self (archive footage) |
 BabyfaceSelf - Songwriter / Producer | Self - Songwriter / Producer |
| RRobyn CrawfordSelf (archive footage) | Self (archive footage) |
| DDee Dee WarwickSelf - Whitney's Cousin (archive footage) | Self - Whitney's Cousin (archive footage) |
| RRickey MinorSelf - Bass Player, 1983-1989 / Musical Director 1989-1999 | Self - Bass Player, 1983-1989 / Musical Director 1989-1999 |
| MMichael HoustonSelf - Brother / Employee | Self - Brother / Employee |
| JJohn Russell Houston Jr.Self - Half-Brother | Self - Half-Brother |
| RRay WatsonSelf - Bodyguard, 2002-2012 | Self - Bodyguard, 2002-2012 |
| LLynne VolkmanSelf - Publicist | Self - Publicist |
 Arsenio HallSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
| SSteven GittelmanSelf - Management Team, 1981-1988 | Self - Management Team, 1981-1988 |
 Kevin Alexander SteaSelf (archive footage) | Self (archive footage) |
| GGary GarlandSelf - Brother / Backup Singer | Self - Brother / Backup Singer |
 Byron AllenSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 David LettermanSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Michael JacksonSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Gary CollinsSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Merv GriffinSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
| AAlan JacobsSelf - Bodyguard (uncredited) | Self - Bodyguard (uncredited) |
