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Cast | + Add Cast |
7 cast members |
Name | Known for |
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Erik Thompson
Self - Narrator (voice)
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Dana Mackenzie
Self - Author, 'The Big Splat'
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Laura Danly
Self - Griffith Observatory
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Mark Richardson
Self - Caltech
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William Hartmann
Self - Planetary Science Institute (as William K. Hartmann)
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Alex Filippenko
Self - Univ. of California, Berkeley
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Kenneth Nealson
Self - Univ. of Southern California
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