Ηθοποιοί επεισοδίου
Ντέιβιντ ΑτένμποροSelf - Presenter
Sridhar AnandakrishnanSelf - Penn State
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Katey Walter AnthonySelf - University of Alaska, Fairbanks
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Gennadiy FedorovSelf - Wrangel Island Ranger
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Bill FraserSelf - Polar Oceans Research Group
James GrecianSelf - University of St Andrews
Alun HubbardSelf - Arctic University of Norway
Jessica MeirSelf - NASA Astronaut
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Aleqatsiaq PearySelf - Inuit Hunter
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Hamish PritchardSelf - British Antarctic Survey
Eric V. RegehrSelf - Polar Science Centre
Garry StensonSelf - Department of Fisheries and Oceans Canada