Distributia
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Albert EinsteinHimself - Theoretical Physicist (archive footage)
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Sean CarrollHimself - Theoretical Physicist
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James S. BullockHimself - Astrophysicist (as James Bullock)
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Mike RoweNarrator (voice)
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Edwin HubbleHimself - Astronomer (archive footage)
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Phil PlaitHimself - Astronomer
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Max TegmarkHimself - Physicist
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Michelle ThallerHerself - Astronomer
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Alex FilippenkoHimself - Astrophysicis
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Carlos FrenkHimself - Cosmologist
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Hakeem OluseyiHimself - Astrophysicist
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Amber StraughnHerself - Astrophysicist
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Katie FreeseHerself - Theoretical Physicist (as Katherine Freese)
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Clifford JohnsonHimself - Theoretical Physicist (as Clifford V. Johnson)
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Paul M. SutterHimself - Astrophysicist