Reparto
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Günther Oskar Dyhrenfurth
Self - Expedition leader & lecturer, Germany (as Professor Dr. Günter Oskar Dyhrenfurth)
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Hettie Dyrenfurth
Self - Expedition participant, Germany
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Hermann Hoerlin
Self - Expedition participant, Germany
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Helmuth Richer
Self - Expedition participant, Germany (as Dr. Helmuth Richer)
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Ulrich Wieland
Self - Expedition participant, Germany
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John Hannah
Self - Expedition participant: England
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George Wood Johnson
Self - Expedition participant: England
Frank Smythe
Self - Expedition participant: England
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Erwin Schneider
Self - Expedition participant: Austria
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Charles-Georges Duvanel
Self - Expedition participant: Switzerland
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Marcel Kurz
Self - Expedition participant: Switzerland
Lowell Thomas
Narrator (USA)
