Calificación
Reparto

Werner Herzog
Narrator (voice)

Clive Oppenheimer
Self - Volcanologist

Scott Rowland
Self - Transportation Dept

Stefan Pashov
Self - Philosopher, Forklift Driver

Doug MacAyeal
Self - Glaciologist

Ryan Andrew Evans
Self - Filmmaker, Cook

Kevin Emery
Self - Survival School Instructor

Olav T. Oftedal
Self - Nutritional Ecologist

Regina Eisert
Self - Physiologist

David R. Pacheco Jr.
Self - Journeyman Plumber

Samuel S. Bowser
Self - Cell Biologist

Jan Pawlowski
Self - Zoologist

William Jirsa
Self - Linguist, Computer Expert

Karen Joyce
Self - Traveler, Computer Expert

Libor Zicha
Self - Utility Mechanic

Ashrita Furman
Self - Multiple World Record Holder