• 

  Steve Blasco

  饰：Self - Geological Survey of Canada

• 

  Troy Holcolmbe

  饰：Self - Texas A&M University

• 

  Russ Green

  饰：Self - Thunder Bay National Marine Sanctuary

• 

  Tom Farnquist

  饰：Self - Great Lakes Shipwreck Historical Society

• 

  Nigel Wattrus

  饰：Self - Large Lakes Observatory

• 

  Fred Oliff

  饰：Self - Canadian Hydrographic Service

• 

  Hans Van Sumeren

  饰：Self - Great Lakes Water Studies Institute