The discovery of an expanding stone roadway under the muck of the swamp sends the team out to sea to investigate exactly how far it reaches.
| Name | Type | Role | |
|---|---|---|---|
| Joe Lessard | Writer | ||
| Jason Broome | Producer | Supervising Producer | |
| John Wells | Producer | ||
| Edward Peill | Producer | for Tell Tale International Inc. | |
| Carmen Legge | Guest Star | Self - Blacksmith | |
| Gary Drayton | Guest Star | Self - Metal Detection Expert | |
| Terry Matheson | Guest Star | Self - Geologist | |
| Ian Spooner | Guest Star | Self - Geoscientist | |
| Charles Barkhouse | Guest Star | Self - Oak Island Historian | |
| Tony Sampson | Guest Star | Self - Professional Diver | |
| Doug Crowell | Guest Star | Self - Oak Island Historian | |
| Steve Guptill | Guest Star | Self - Surveyor | |
| Erin Helton | Guest Star | Self - Resource Data, Inc. | |
| Alan Kostrzewa | Executive Producer | for Oak Island Tours Inc. | |
| Jon A. Levy | Executive Producer | ||
| Kevin Burns | Executive Producer | ||
| Jennifer Wagman | Executive Producer | for HISTORY | |
| Craig Tester | Executive Producer | for Oak Island Tours Inc. | |
| Ismael Soto | Executive Producer | Co-Executive Producer | |
| Joe Lessard | Executive Producer | ||
| Brian Bowers | Executive Producer | Co-Executive Producer | |
| Rick Lagina | Executive Producer | for Oak Island Tours Inc. | |
| Kim Egan | Executive Producer | ||
| Marty Lagina | Executive Producer | for Oak Island Tours Inc. | |
| David Comtois | Executive Producer |