National Geographic Television ; Tigress Productions ; produced and directed by Graham Booth, Harvey Lilley, Matthew Thompson ; series producer, Andrew Jackson
produced in association with Special Broadcasting Service, Network 0-28, Australia, and Swedish Television Channel 2 ; Third Eye Productions Ltd. for Channel Four in association with RM Arts ; producer, Penny Corke ; directors, Geoffrey Haydon, Dennis Marks
Wall to Wall Television for BBC and PBS in association with ITEL ; written and presented by Henry Louis Gates, Jr. ; directors, Nick Godwin, Helena Appio
Kino International ; Arcane Pictures ; produced for video by Andrew Lerman ; commentary written by Lawrence Klingman and Jackson Leighter ; entire production compiled by Herbert L. Bregstein