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Cast | + Add Cast |
6 cast members |
Name | Known for |
---|---|
Pete Smith
Narrator (voice)
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Margaret Bert
Nurse (uncredited)
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André Cheron
Henri Antoine Becquerel (uncredited)
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James Conaty
American Scientist (uncredited)
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Eddie Hart
Photographer (uncredited)
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Emmett Vogan
Pierre Curie (uncredited)
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