Self (archive footage)
Jacques-Yves Cousteau
Dian Fossey
Self
Birute Galdikas
Jane Goodall
Self - Narrator
Richard Kiley
Louis Leakey
Mary Leakey
Kent Vliet
Coordinating Producer
Kathryn Pasternak
Publicist
Ellen C. Stanley
Writer
Gail Willumsen
Marilyn Gibbons
Kathleen F. Teter
Producer
Editor
Barry Nye
Musician
Stephen Croes
Assistant Editor
Lisa Ann Glass
Music Supervisor
Nancy Severinsen
Online Editor
M. T. Badertscher
Associate Producer
Jill Shinefield
Supervising Producer
Teresa Koenig
Script Editor
Marjorie M. Moomey
Music
Jay Chattaway
Researcher
Bob Barzyk
Executive Producer
Nicolas Noxon