Distributia
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Bernard HillHimself - Narrator (voice)
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Leslie AielloHerself (as Prof Leslie Aiello)
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Justus ErusEl însuși
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Robert FoleyHimself (as Dr. Robert Foley)
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Dan JohansonHimself (as Prof Dan Johanson)
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Meike KohlerHerself (as Dr. Meike Kohler)
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Meave LeakeyHerself (as Dr. Meave Leakey)
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Jay QuadeHimself (as Prof Jay Quade)