Narrator (voice)

Self - Volcanologist

Self - Transportation Dept

Self - Philosopher, Forklift Driver

Self - Glaciologist

Self - Filmmaker, Cook

Self - Survival School Instructor

Self - Nutritional Ecologist

Self - Physiologist

Self - Journeyman Plumber

Self - Cell Biologist

Self - Zoologist

Self - Linguist, Computer Expert

Self - Traveler, Computer Expert

Self - Utility Mechanic

Self - Multiple World Record Holder

Self - Marine Ecologist

Self - Volcanologist, Geochronologist

Self - Physicist

Self - (archive footage)

Self - General Assistant