• 

  Gary Humphrey

  饰：Himself

• 

  Shaun Keilen

  饰：Himself

• 

  Christopher Gillette

  饰：Himself

• 

  Nick Koumalatsos

  饰：Himself - Host

• 

  Jess Peláez

  饰：Self - Volcanologist

• 

  Austin Osmanski

  饰：Self - Biologist

• 

  Jon Wadley

  饰：Narrator