• 

  George Kourounis

  饰：Himself - Host

• 

  Mike Theiss

  饰：Self - Storm Chaser

• 

  Gerard Fryer

  饰：Self - Geophysicist, Pacific Tsunami Warning Center

• 

  Ben Cropp

  饰：Self - Underwater Explorer

• 

  Dick Whitaker

  饰：Self - Meteorologist

• 

  Gary England

  饰：Self - Meteorologist

• 

  Scott McPartland

  饰：Self - Storm Chaser

• 

  Steve Reifenstuhl

  饰：Self - Ultra Runner

• 

  Lance Mackey

  饰：Self - Dog Musher

• 

  Chris Kostman

  饰：Self - Race Director

• 

  Nik Halik

  饰：Self - Adventurer

• 

  Heinz Kallin

  饰：Self - Off-Road Driving Expert

• 

  Ólafur Ragnar Grímsson

  饰：Self - President of Iceland

• 

  Bob Freer

  饰：Self - Everglades Alligator Farm