Distributia
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Craig SechlerNarrator (voice)
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Eric GroveHimself - Naval Historian (as Prof. Eric Grove)
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Klaudie BertelinkHerself - Diver & Researcher (as Klaudie Bartelink)
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James P. DelgadoHimself - Maritime Archaeologist, SEARCH Inc. (as Dr. James Delgado)
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Eoin McGarryHimself - Technical Diver
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Steve MortimerHimself - Technical Diver
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Innes McCarthyHimself - Maritime Archaeologist, Bournemouth University (as Dr. Innes McCartney)
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Mike RobertsHimself - Oceanographer, Bangor University (as Dr. Mike Roberts)