Rick and Marty's good friend and world class wreck diver, John Chatterton, heads south to search for a never recovered Spanish ship off the coast of Florida, and Gary Drayton shares with the brothers his most compelling, and valuable, find ever.
| Name | Type | Role | |
|---|---|---|---|
| Max Thompson | Writer | ||
| Janet Ginsburg | Writer | ||
| Glenn Kirschbaum | Writer | ||
| Joe Lessard | Writer | ||
| Geoffrey Sharp | Writer | ||
| Scott Andrew Selby | Guest Star | Self - Author | |
| Howard Ehrenberg | Guest Star | Self - Treasure Hunter | |
| Ryan Scott | Guest Star | Self - Expedition Manager | |
| Paul Goldstein | Guest Star | Self - Archaeologist | |
| Jerry Lee | Guest Star | Self - Treasure Hunter: Global Explorations | |
| Matty Blake | Guest Star | Self - Oak Island Researcher | |
| Gary Drayton | Guest Star | Self - Metal Detection Expert | |
| John Chatterton | Guest Star | Self - Professional Diver | |
| Bobby Pritchett | Guest Star | Self - Global Marine Exploration | |
| John Mattera | Guest Star | Self - Treasure Hunter/Historian | |
| David Comtois | Executive Producer | ||
| Marty Lagina | Executive Producer | ||
| Jennifer Wagman | Executive Producer | for HISTORY | |
| Geoffrey Sharp | Executive Producer | ||
| Joe Lessard | Executive Producer | ||
| Kevin Burns | Executive Producer | ||
| Kim Egan | Executive Producer | ||
| Rick Lagina | Executive Producer |