James L. Nelson (Self - Novelist), Sam Willis (Self - Archaeologist and Historian), Arthur B. Cohn (Self - Director Emeritus, Lake Champlain Maritime Museum), Jim Kennard (Self - Shipwreck Explorer, Shipwreck World), Dan Scoville (Self - Subsea Engineer, OceanGate), John Broadwater (Self - Maritime Archaeologist), Maya Jasanoff (Self - Historian and Author, Harvard University), Craig Sechler (Self - Narrator), Ryan Johnson (Self)