Whitney Houston (Self), Ellen White (Employee / Self - Family Friend), Michael Houston (Employee / Self - Brother), Cissy Houston (Self - Mother), Gary Houston (Backup Singer / Self - Brother), Donna Houston (Self - Former Sister-in-Law), Deforest B. Soaries Jr. (Self - Family Friend), Keith Kelly (Employee / Self - Family Friend), John Houston III (Self - Half-Brother), Patricia Houston (Manager 2000-2012 / Self - Sister-in-Law), Steven Gittelman (Self - Management Team, 1981-1988), Bobby Brown (Himself), Aretha Franklin (elle-même), Kenneth Gibson (burmistrz Newark), Drinkard Singers (eux-mêmes), Dionne Warwick (Herself (archive footage)), Clive Davis (Himself), Dee Dee Warwick (Herself (archive footage)), L.A. Reid (Himself), Kevin Costner (Himself), Arsenio Hall (Himself (archive footage)), Byron Allen (Himself (archive footage)), David Letterman (Himself (archive footage)), Bette Sussman (Self - Pianist with Cissy Houston), Rickey Minor (Himself), Michael Jackson (Himself (archive footage)), Gary Collins (Himself (archive footage)), Bobbi Kristina Brown (Herself (archive footage)), Merv Griffin (Himself (archive footage)), Nelson Mandela (Himself (archive footage)), Marvin Gaye (Himself (archive footage)), Kenneth Edmonds (Himself), Robyn Crawford (Herself (archive footage)), John Russell Houston Jr. (Himself (archive footage)), Ray Watson (Himself), Lynne Volkman (Herself), Alan Jacobs (Himself - Security to Whitney Houston), Kevin Stea (Himself (archive footage)), Gary Garland (Himself)