William Gates
Arthur Agee
Emma Gates
Curtis Gates
Sheila Agee
Arthur 'Bo' Agee
Earl Smith
Gene Pingatore
Isiah Thomas
Sister Marlyn Hopewell

William Gates as Himself
Arthur Agee as Himself
Emma Gates as Herself (William's mother)
Curtis Gates as Himself (William's brother)
Sheila Agee as Herself (Arthur's mother)
Arthur 'Bo' Agee as Himself (Arthur's father)
Earl Smith as Himself (Talent scout)
Gene Pingatore as Himself (High school basketball coach)
Isiah Thomas as Himself (Professional basketball player)
Sister Marlyn Hopewell as Herself (High school guidance counselor)
Bill Gleason as Himself (Television reporter)
Patricia Weir as Herself (President, Encyclopedia Brittanica)
Marjorie Heard as Herself (High school guidance counselor)
Luther Bedford as Himself (High school basketball coach)
Aretha Mitchell as Herself (High school guidance counselor)