 | Whitney Houston als Self (archive footage) |
 | Bobby Brown als Self - Ex-Husband |
 | Cissy Houston als Self - Mother |
 | Clive Davis als Self - Founder, Arista Records |
 | L.A. Reid als Self - CEO and President, Arista Records 2000-2004 |
 | Kevin Costner als Self - Actor |
 | Dionne Warwick als Self - Whitney's Cousin (archive footage) |
 | Bobbi Kristina Brown als Self (archive footage) |
 | Nelson Mandela als Self (archive footage) |
 | Marvin Gaye als Self (archive footage) |
| Babyface als Self - Songwriter / Producer |
| Robyn Crawford als Self (archive footage) |
| Dee Dee Warwick als Self - Whitney's Cousin (archive footage) |
| Rickey Minor als Self - Bass Player, 1983-1989 / Musical Director 1989-1999 |
| Michael Houston als Self - Brother / Employee |
| John Russell Houston Jr. als Self - Half-Brother |
| Ray Watson als Self - Bodyguard, 2002-2012 |
| Lynne Volkman als Self - Publicist |
 | Arsenio Hall als Self (archive footage) (uncredited) |
| Steven Gittelman als Self - Management Team, 1981-1988 |
 | Kevin Stea als Self (archive footage) |
| Gary Garland als Self - Brother / Backup Singer |
 | Byron Allen als Self (archive footage) (uncredited) |
 | David Letterman als Self (archive footage) (uncredited) |
 | Michael Jackson als Self (archive footage) (uncredited) |
 | Gary Collins als Self (archive footage) (uncredited) |
 | Merv Griffin als Self (archive footage) (uncredited) |
| Alan Jacobs als Self - Bodyguard (uncredited) |
| Kevin Macdonald | Director |
| Jonathan Chinn | Producer |
| Rosanne Korenberg | Executive Producer |
| Andy Mayson | Executive Producer |
| Ann Lofgren | Associate Producer |
| Mike Runagall | Executive Producer |
| Charlotte Rodrigues | Associate Producer |
| Simon Chinn | Producer |
| Nicole David | Executive Producer |
| Zanne Devine | Executive Producer |
| Patricia Houston | Executive Producer |
| Gary Welch | Music Supervisor |
| Will Clarke | Executive Producer |
| Joe Patrick | Executive Producer |
| Lisa Erspamer | Producer |
| Vanessa Tovell | Co-Producer |
| Sam Rice-Edwards | Editor |
| Charles Gillett | Visual Effects Producer |
| Adam Wiltzie | Music |
| Kevin Macdonald | Writer |
| Nelson Hume | Director of Photography |
