Name	Known for
Craig Sechler Self - Narrator (voice) Self - Narrator (voice) See fewer	Mighty Aphrodite (1995)
Keith Holland Self - Explorer (as Dr. Keith Holland) Self - Explorer (as Dr. Keith Holland) See fewer	Drain the Oceans (2018)
James Delgado Self - Maritime Archaeologist, SEARCH Inc. (as Dr. James Delgado) Self - Maritime Archaeologist, SEARCH Inc. (as Dr. James Delgado) See fewer	Portal to the Unknown (2013)
Craig L. Symonds Self - Author and Historian (as Dr. Craig Symonds) Self - Author and Historian (as Dr. Craig Symonds) See fewer	Gods and Generals (2003)
Jim Spirek Self - Marine Archaeologist, University of South Carolina Self - Marine Archaeologist, University of South Carolina See fewer	Drain the Oceans (2018)
Philippe Rouja Self - Principal Scientist, Department of Conservation Services (as Dr. Philippe Rouja) Self - Principal Scientist, Department of Conservation Services (as Dr. Philippe Rouja) See fewer	Utsuk: A story of fat (2014)
Sam Willis Self - Naval Historian (as Dr. Sam Willis) Self - Naval Historian (as Dr. Sam Willis) See fewer	Cents (2016)
Paul Mardikian Self - Senior Conservator, Warren Lasch Conservation Center Self - Senior Conservator, Warren Lasch Conservation Center See fewer	Drain the Oceans (2018)