Come funziona la Terra

• 
  Liz Bonnin
  Self - Presenter
• 
  Martin Pepper
  Self - Presenter
• 
  Hazel Barton
  Self - Microbiologist
• 
  Jose Borrero
  Self - Oceanographer
• 
  Bernadette Carion
  Self - Guide, Cave Diver
• 
  Giuseppe De Natale
  Self - Volcanologist
• 
  Sandro De Vita
  Self - Volcanologist
• 
  Dan Durda
  Self - Planetary Scientist
• 
  Mark Greaves
  Self - Operator, Hidee Gold Mine
• 
  Heather Handley
  Self - Volcanologist
• 
  Helen James
  Self - Zoologist
• 
  Dougal Jerram
  Self - Volcanologist
• 
  Karl E. Karlstrom
  Self - Geology Professor
• 
  Joseph Kirschvink
  Self - Geologist
• 
  Alan Lester
  Self - Geologist
• 
  Tyler Lyson
  Self - Paleontologist
• 
  Franck Marchis
  Self - Planetary Scientist
• 
  Brian Menounos
  Self - Climatologist
• 
  Garry Momber
  Self - Marine archaeologist
• 
  Matt Patrick
  Self - Volcanologist
• 
  Pier Paolo Petrone
  Self - Anthropologist
• 
  Cathy Plesko
  Self - Planetary Scientist, Los Alamos National La
• 
  Mike Poland
  Self - Volcanologist
• 
  Harold Roberts
  Self - Energy Fuels Resources Inc.
• 
  Peter Schultz
  Self - Planetary Geologist
• 
  John R. Smith
  Self - Volcanologist
• 
  Victoria Smith
  Self - Volcanologist
• 
  Chris Stone
  Self - Operator, Hidee Gold Mine
• 
  Michelle Thaller
  Self - Astronomer, NASA
• 
  Robert Wright
  Self - Volcanologist

• Tom Stubberfield
• Mark Bridge

• Billie Pink