Name	Known for
Russell Boulter Self - Narrator: National Geographic Channel (voice) Self - Narrator: National Geographic Channel (voice) See fewer	The Bill (1984)
Craig Sechler Self - Narrator (voice) Self - Narrator (voice) See fewer	Mighty Aphrodite (1995)
Jon Henderson Self - Professor of Classics and Archaeology, University of Nottingham (as Dr. Jon Henderson) Self - Professor of Classics and Archaeology, University of Nottingham (as Dr. Jon Henderson) See fewer	Drain the Oceans: Deep Dive (2018)
Patrick Nunn Self - Geologist (as Dr. Patrick Nunn) Self - Geologist (as Dr. Patrick Nunn) See fewer	Hunting Atlantis (2021)
Kihachiro Aratake Self - Local Diver Self - Local Diver See fewer	Expedition Unknown (2015)
Hironobu Kan Self - Geomorphologist (as Dr. Hironobu Kan) Self - Geomorphologist (as Dr. Hironobu Kan) See fewer	Drain the Oceans (2018)
Masaaki Kimura Self - Marine Geologist (as Prof. Masaaki Kimura) Self - Marine Geologist (as Prof. Masaaki Kimura) See fewer	Quest for the Lost Civilization (1998)
James Delgado Self - Maritime Archaeologist (as Dr. James Delgado) Self - Maritime Archaeologist (as Dr. James Delgado) See fewer	Portal to the Unknown (2013)
Pavlos Voutos Self - Local Diver Self - Local Diver See fewer	Drain the Oceans (2018)
Michael Stamatakis Self - Geologist (as Prof. Michael Stamatakis) Self - Geologist (as Prof. Michael Stamatakis) See fewer	Drain the Oceans (2018)
Simon Brown Self - 3D Photogrammetrist Self - 3D Photogrammetrist See fewer	Drain the Oceans (2018)
Nicholas Flemming Self - Maritime Archaeologist (as Dr. Nicholas Flemming) Self - Maritime Archaeologist (as Dr. Nicholas Flemming) See fewer	Drain the Oceans: Deep Dive (2018)
Marc-André Gutscher Self - Geophysicist (as Dr. Marc-André Gutscher) Self - Geophysicist (as Dr. Marc-André Gutscher) See fewer	Drain the Oceans: Deep Dive (2018)