as Narrator (voice)
as Self - Volcanologist
as Self - Transportation Dept
as Self - Philosopher, Forklift Driver
as Self - Glaciologist
as Self - Filmmaker, Cook
as Self - Survival School Instructor
as Self - Nutritional Ecologist
as Self - Physiologist
as Self - Journeyman Plumber
as Self - Cell Biologist
as Self - Zoologist
as Self - Linguist, Computer Expert
as Self - Traveler, Computer Expert
as Self - Utility Mechanic
as Self - Multiple World Record Holder
as Self - Marine Ecologist
as Self - Volcanologist, Geochronologist
as Self - Physicist
as Self - (archive footage)
as Self - General Assistant