Distributia
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James LurieHimself - Narrator
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Carlos GonzalezHimself - Engineer - Petronyx
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Gene KritskyHimself - Entomologist, College of Mount St. Joseph
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Ray CoppingerHimself - Author, 'Dogs'
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Tom DyerHimself - Aviculturist - Audubon Aquarium of the Americas
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Jan ZalasiewiczHimself - Author - 'Earth After Us'
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Steven S. RossHimself - Author, 'Construction Disasters'
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Daniel T. BlumsteinHimself - Biologist, University of California, Los Angeles
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Charles RoederHimself - Civil Engineer, University of Washington
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Gail GaineyHerself - Marine Biologist, Audubon Aquarium of the Americas
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Tim NelsonHimself - Biologist, Seattle Pacific University
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Mike FolseHimself - Structural Engineer, University of New Orleans
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James ArnoldHimself - Curator, Life Support, Audubon Aquarium of the Americas
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Ron SevartHimself - CEO, Space Needle