HRAJí
- Demetri Goritsas
Narrator - Victor Vescovo
Self - Explorer - Kelvin Magee
Self - Sub Technician - Patrick Lahey
Self - Sub Builder - Alan Jamieson
Self - Chief Scientist - Rob McCallum
Self - Expedition Leader - Cassie Bongiovanni
Self - Mapping Lead - Stuart Buckle
Self - Ship's Captain - Heather Stewart
Self - Expedition Geologist - Timothy Shank
Self - Woods Hole Oceanographic Institution - Tim MacDonald
Self - 'Swimmer' & Mechanical Engineer - Frank Lombardo
Self - Sub Technician - Steve Chappell
Self - 'Swimmer' & Sub Technician - Camrin Braun
Self - University of Washington - Don Walsh
Self - Deep Ocean Explorer - Oscar Schofield
Self - Rutgers University Marine Sciences - James Cameron
Self - Katherine Hutchinson
Self - Physical Oceanographer - Paul-Henri Nargeolet
Self - Sub Advisor - Glenn Singleman
Self - Expediton Doctor - John Ramsay
Self - Sub Designer - Patricia Fryer
Self - Geologist - Paula Bontempi
Self - Earth Science, NASA Headquarters - Christa von Hillebrandt-Andrade
Self - Caribbean Tsunami Warning Program - Paul Yancey
Self - Marine Biologist - Thomas Linley
Self - Marine Biologist - Lynn Rothschild
Self - Space Science & Astrobiology, NASA - Simon Thorrold
Self - Woods Hole Oceanographic Institution - Jonathan Struwe
Self - Deep Ocean Submarine Specialist - Hugh Venables
Self - British Antarctic Survey