Jacques-Yves Cousteau
Self (archive footage)
Dian Fossey
Self (archive footage)
Birute Galdikas
Self
Jane Goodall
Self (archive footage)
Richard Kiley
Self - Narrator
Louis Leakey
Self (archive footage)
Mary Leakey
Self (archive footage)
Kent Vliet
Self (archive footage)
30 Years of National Geographic Specials
Released
Bande-annonce
