By scanning the locations at the bottom of the ocean where sunken ships, treasures and even cities lie, the show tries to answer what they look like, how they got there and if they hide any secrets.
Craig Sechler
Self - Narrator
Narrator
Narrator - National Geographic Channel
James Delgado
Self - Maritime Archaeologist, SEARCH Inc.
Self - Maritime Archaeologist
Self - Maritime Archaeologist, Search Inc.
Russell Boulter
Self - Narrator: National Geographic Channel
Eric Grove
Self - Naval Historian
Melissa Exelberth
Audio Description Narrator
Kerry Shale
Jon Henderson
Self - Archaeologist, University of Nottingham
Self - Archaeologist, University of Edinburgh
Peter Campbell
Self - Maritime Archaeologist, British School at Rome
Self - Maritime Archaeologist, RPM Nautical Foundation
Art Trembanis
Self - Geologist & Oceanographer, University of Delaware
David Mearns
Self - Shipwreck Hunter - Blue Water Recoveries
Tomasz Stachura
Self - Wreck Diver
Mike Brennan
Self - Maritime Archaeologist, SEARCH, Inc.
Amy Borgens
Self - State Marine Archaeologist, Texas Historical Commission
Anthony Tully
Fredrik Soreide
Self - Norwegian University of Science and Technology
Self - Geologist and Oceanographer, University of Delaware
Jann Witt
Self - Historian, German Naval Association
Craig L. Symonds
Self - Author and Historian
Self - Naval Historian, U.S. Naval Academy
Self - Maritime Archaeologist, Cranfield University
Self - Director CSHEL, University of Delaware
Innes McCartney
Self - Maritime Archaeologist, Bournemouth University
Self - Shipwreck Hunter. Blue Water Recoveries
Self - Expert Wreck Diver
Self - Maritime Historian
Self - Marine Archaeologist
Self - Historian & Author
Sophie Elwin-Harris
Writer
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