Nick Hewitt (Self - Naval Historian, National Museum of the Royal Navy), Andy Sherrell (Self - Underwater Surveyor, Sherrell Ocean Services), Eric Grove (Self - Naval Historian), Cécile Sauvage (Self - Maritime Archaeologist, DRASSM), James Delgado (Self - Maritime Archaeologist, SEARCH Inc.), Chris Howlett (Self - Hydrographer), Craig Sechler (Narrator), Russell Boulter (Narrator: National Geographic Channel)