Distributia
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Ashley JensenHerself - Narrator (voice)
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Peter SallisWallace
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John SparkesGoronwy
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Jem StansfieldHimself - Science Correspondent
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Maggie Aderin-PocockHerself - Optics Expert (as Dr Maggie Aderin-Pocock)
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Adam HartHimself - Bee Scientist (as Dr Adam Hart)
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John PendryHimself - Theoretical Physicist (as Professor Sir John Pendry)
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Mark LesekHimself - Engineer