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  Zac Wilder

  饰：Himself - Owner: Sonoma-Marin Arborists

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  Nate Esposito

  饰：Himself - Rookie Tree Man

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  Tomas Luporini

  饰：Himself - Rookie Tree Man

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  Tim Alderson

  饰：Himself - Owner: Veterans Marine Service

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  Erik Hunt

  饰：Himself - Rookie Diver

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  Dan Schoen

  饰：Himself - Rookie Diver

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  Milne Pocock

  饰：Himself

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  Jason Hildebrandt

  饰：Narrator

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  Dougal Jerram

  饰：Himself - Owner: Dougal Earth