Elenco (na ordem dos créditos)
Jason Hildebrandt
Narrator
Zac Wilder
Self - Owner: Sonoma-Marin Arborists
Tomas Luporini
Self - Rookie Tree Man
Nate Esposito
Tim Alderson
Self - Owner: Veterans Marine Service
Dan Schoen
Self - Rookie Diver
Erik Hunt
Ron Vargas
Self
Milne Pocock
Dougal Jerram
Self - Owner: Dougal Earth
Sarah Gordee
Self - Rookie Vulcanologist
Sean Bredeson
Kevin Hollister
Fred Leverette
Self - Rookie Heavy Hauler
Nils Behn
Self - Owner: Aegis Renewable Energy
Clinton Elmore
Cecil Campbell
Self - Safety Driver
Tim Beck
Self - Owner: TR Beck Heavy Haul
Chris Higgins
Mike Forbes
Self - Rookie Wind Tech
John Howell
Self - Volcanologist