Whitney Houston as Self (archive footage)

Bobby Brown as Self - Ex-Husband

Cissy Houston as Self - Mother

Clive Davis as Self - Founder, Arista Records

L.A. Reid as Self - CEO and President, Arista Records 2000-2004

Kevin Costner as Self - Actor

Dionne Warwick as Self - Whitney's Cousin (archive footage)

Bobbi Kristina Brown as Self (archive footage)

Nelson Mandela as Self (archive footage)

Marvin Gaye as Self (archive footage)

Babyface as Self - Songwriter / Producer

Robyn Crawford as Self (archive footage)

Dee Dee Warwick as Self - Whitney's Cousin (archive footage)

Rickey Minor as Self - Bass Player, 1983-1989 / Musical Director 1989-1999

Michael Houston as Self - Brother / Employee

John Russell Houston Jr. as Self - Half-Brother

Ray Watson as Self - Bodyguard, 2002-2012

Lynne Volkman as Self - Publicist

Arsenio Hall as Self (archive footage) (uncredited)

Steven Gittelman as Self - Management Team, 1981-1988

Kevin Alexander Stea as Self (archive footage)

Gary Garland as Self - Brother / Backup Singer

Byron Allen as Self (archive footage) (uncredited)

David Letterman as Self (archive footage) (uncredited)

Michael Jackson as Self (archive footage) (uncredited)

Gary Collins as Self (archive footage) (uncredited)

Merv Griffin as Self (archive footage) (uncredited)

Alan Jacobs as Self - Bodyguard (uncredited)