The Root Cause

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Robert Clotworthy

Narrator

Charles Barkhouse

Self - Oak Island Historian

Terry Matheson

Self - Geologist

Steve Guptill

Self - Surveyor

Craig Tester

Self

Alex Lagina

Self

Marty Lagina

Self

Brennan McMahon

Self - Choice Drilling

Laird Niven

Self - Archaeologist

Doug Crowell

Self - Oak Island Historian

Gary Drayton

Self - Metal Detection Expert

Jack Begley

Self

Helen Sheldon

Self - Archaeologist

Miriam Amirault

Self - Archaeologist

Liz Michels

Self - Archaeologist

Rick Lagina

Self

Scott Barlow

Self - Project Manager: Oak Island Tours

Paul Troutman

Self - Oak Island Historian

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