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