Distributia
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Lance LewmanNarrator (voice)
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Bryan WisemanEl însuși
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Peter SingerHimself - Bioethicist, Princeton University (as Prof. Peter Singer)
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Yeon-hee LeeHerself - Youth Counselor, Internet Rescue School
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Sudeepta VarmaHerself - Psychiatrist, NYU Langone Medical Center (as Dr. Sudeepta Varma)
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Nora VolkowHerself - Director, National Institute on Drug Abuse
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Robert MittigaHimself - Counselor, GATS Program Australia
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Lorrin KoranHimself - Psychiatrist, Stanford Univ. Medical Center (as Dr. Lorrin Koran)
