Director/a
Hal Tulchin
DIRECTOR/A
Reparto (por orden de créditos)
The 5th Dimension
Themselves
Gladys Knight & The Pips
Jesse Jackson
Self
Mahalia Jackson
B.B. King
George Kirby
Abbey Lincoln
John V. Lindsay
Moms Mabley
Herbie Mann
Dewey 'Pigmeat' Markham
Hugh Masekela
Max Roach
David Ruffin
Nina Simone
Sly and the Family Stone
The Staple Singers
Stevie Wonder