Jordin Sparks
Whitney Houston
Derek Luke
Mike Epps
Carmen Ejogo
Tika Sumpter
Omari Hardwick
CeeLo Green
Curtis Armstrong
Terrence Jenkins
Jordin Sparks as Sparkle
Whitney Houston as Emma
Derek Luke as Stix
Mike Epps as Satin
Carmen Ejogo as Sister
Tika Sumpter as Dolores
Omari Hardwick as Levi
CeeLo Green as Black (as Cee-Lo Green)
Curtis Armstrong as Larry
Terrence Jenkins as Red (as Terrence J)
Tamela J. Mann as Ms. Sara Waters (as Tamela Mann)
Michael Beach as Rev. Bryce
Michael W. Campbell Jr. as Church Usher (as Michael Campbell)
Brely Evans as Tune Ann (as Bre'ly Evans)
Linda Boston as Sister Clora