Rushmore DeNooyer (Erzähler), Wayne ABBOTT (Self - Historical Investigator), Michael C. Barnette (Self - Marine Biologist and Explorer), Marvin W. Barrash (Self - Historian / Great-Nephew of USS Cyclops Crew Member), Jimmy Gadomski (Self - Wreck Specialist), Jason O. Harris (Professional Accident Investigator / Self - Ret. Air Force Pilot), Evan Kovacs (Self - Underwater Imaging Specialist), David O'Keefe (Self - Military Historian), Laura Azevedo (Self - Oceanographer), Mark Halliley (Self - Narrator)