KCET and Carl Sagan Productions, Inc. ; in association with the British Broadcasting Corporation and Polytel International ; executive producer and series director, Adrian Malone ; producer, Gregory Andorfer ; written by Carl Sagan, Ann Druyan, and Steve Soter
History Channel ; produced by Flight 33 Productions for History Television Network Productions ; producer, Samuel K. Dolan ; director, Douglas J. Cohen
produced and directed by Patsy Northcutt [and] David Kennard ; written by Brian Thomas Swimme [and] Mary Evelyn Tucker ; Northcutt Productions ; InCA Productions ; KQED Presents ; Yale School of Forestry & Environmental Studies