Mark Marabella
Simon Ludgate
Yavar Abbas
Martin Williams
Duncan Bulling
Mark Davis
Rick Beyer
Jed Rauscher
Johann Sigfússon
Hayma Washington
Eric Meyers
饰:Self - Narrator
Rushmore DeNooyer
饰:Narrator
Craig Sechler
饰:Narrator
Lawrence Krauss
饰:Self - CWR University
Iain Stewart
饰:Self - Geologist
饰:Self - NASA
饰:Self - Professor of Biomolecular Engineering
饰:Self - Hollywood Science Advisor
饰:Self - Professor of Astronomy
饰:Self - Senior Astronomer
Charles Pellegrino
饰:Self - Author
饰:Documentarian
Michio Kaku
饰:Self - Author of 'Physics of the Impossible'
饰:Narrator
Minik Rosing
饰:Self - Geologist
Lance Lewman
饰:Self - Narrator
饰:Self - NASA
Dan Russell
饰:Narrator
饰:Self
饰:Self - Cardiff University
饰:Self
饰:Self - Professor
Bert Roberts
饰:Self - Earth Scientist
饰:Self
饰:Fruit Farmer
饰:Self
饰:Self
饰:Self - University of New Mexico
饰:Self
饰:Self
饰:Self - Sternberg Museum of Natural History
Robert Hazen
饰:Self
Jonathan Steen
饰:Astronaut's Assistant
Samantha Farrow
饰:Apartment Resident
饰:Self - Rover Driver
Buzz Aldrin
饰:Self - NASA Apollo XI Astronaut
Peter Elliott
饰:Self - Primate Behavioral Actor
饰:Boston Universty
饰:Oklahoma City
Joshua Wurman
饰:Self - Meteorologist
饰:Self - Bermuda Triangle Author & Expert
饰:Self - Amateur Sleuth and Follower of Edgar Cayce
饰:Self - Storm Photographer
饰:Self - Author and Researcher
David Levy
饰:Self - Comet Discoverer
饰:Self - Phoenix Lights Eyewitness
Michael Shermer
饰:Self - Skeptic Magazine
饰:Self - International Yachtsman
饰:Self - Storm Chaser
饰:Self - Bullshark Attack Victim in Alabama
Holt Blanchard
饰:Self - Bethany's Rescuer in Kauai
饰:Self - Forensic Anthropologist
饰:Female
Stephen Rashbrook
饰:Self - Narrator
饰:Minero
饰:Self - Naica Project
饰:Self
David Heyman
饰:Self - Asst Secretary, Office of Policy, Homeland Security
Dave Hoffman
饰:Narrator
Mark Bedell
饰:Terrorist
饰:Self - Anthropologist
饰:Self - Honorary Research Fellow, Peabody Museum of Harvard University
饰:Self - Prehistoric Art Expert
饰:Self - Editor-in-Chief
饰:Self - Senior Scientist
饰:Self - Volcanologist, Vesuvius Observatory
饰:Self - Director of the Civil Protection Department of the Prime Ministers of Italy
饰:Self - Professor of Astronomy
饰:Narrator
饰:Self - Filmmaker
饰:Self - Professor of Marine Chemistry
饰:Self - Astronomer
饰:Self - Volanologist
饰:Self - Professor of Evolutionary Palaeobiology, University of Cambridge
饰:Self - Director: Maxwell Museum of Anthropology
饰:Self - NASA Oceanographer
饰:Self - Professor of Geology
饰:Self - Lead Observing Scientist
Max Tegmark
饰:Self - Professor, MIT
饰:Self - Civilian Astronaut
Christopher Cotten
饰:Parallel Universe Traveler
饰:Self - Aerospace Engineer
Alan Guth
饰:Self - Professor, MIT
饰:Self
Michael Izquierdo
饰:Narrator
饰:Narrator
Mark Boslough
饰:Self - Physicist
饰:Planetary Scientist
Bill McGuire
饰:Self
Jeff Hester
饰:Self
饰:Self - Former NASA Research Scientist
饰:Self
饰:Self - Engineering Professor
饰:Self
饰:Self
饰:Self - Crop Circle Maker
饰:Self - Science Expert
Michael Carroll
饰:Narrator
J.V. Martin
饰:Narrator
饰:Narrator
饰:Self
饰:Self
Reg E. Cathey
饰:Self - Narrator
饰:Self - UC Davis
饰:Self - Cal Tech
饰:Self - Principal Investigator
饰:Self
Kip Thorne
饰:Self - Cal Tech
饰:Self - Stony Brook
饰:Self
Hap McSween
饰:Self - Rover Science Team
Sabrina D'Amour
饰:Astronaut
饰:Self - Planetary Geologist
饰:Self
饰:Self
饰:Self - Rover Engineer
饰:Self - Geologist
饰:Self - NASA
Neil Armstrong
饰:Self - NASA Apollo XI Astronaut
饰:Self - Archaeologist
饰:Self
Jim Head
饰:Self - Planetary Geologist
饰:Self
饰:Self - Rover Driver
Stephen Hawking
饰:Self - Cosmologist
John Hutchison
饰:Self - Inventor
饰:Self - Flight Instructor & Property Developer
饰:Senior Research Scientist, Southwest Research Institute
Bryan Norcross
饰:CBS Weather Control
饰:Self - Apollo 9 Astronaut
Ken Feder
饰:Self - Professor of Archaeology at Central Connecticut State University
Michael Rampino
饰:Self - Associate Professor, New York University
饰:Self - Paleoanthropologist
饰:Self - Assoc Director
饰:Self - Meteorologist
饰:Self - Project Geologist, Iowa Geological Survey
饰:Self - UFO Witness
饰:Self - Imagery Specialist
Leslie Aiello
饰:Self - Professor
饰:Self - Geologist, US Geological Survey, Yellowstone Volcano Observatory
饰:Self - Meteorologist, NOAA
Bethany Hamilton
饰:Self - Tiger Shark Attack Victim
饰:Self - Supervisor, College Station SWAT Team, Texas
饰:Self - Ex Deputy Base Commander
饰:Self - Laurentian University, Canada
John E. McCosker
饰:Self - Ichthyologist of California Academy of Sciences
饰:Self - Senior Oceanographer
饰:Self - Fisherman and Diver of Ganzenbaai in South Africa
饰:Forensic Scientist
饰:Self - Physician and Head, Lightning Research Program, University of Illinois, Chicago
饰:Self - Lecturer in Ancient History
饰:Self - Professor
饰:Self - Geophysics Professor
饰:Narrator
饰:Self - Princeton University
饰:Self - University of Liverpool
饰:Self - Director of the National Center for Disaster Preparedness
饰:Self - Volcanologist, Vesuvius Observatory
饰:Self - Curator of Lascaux
Peter de Menocal
饰:Self - Professor of Earth and Environmental Sciences
Howard Nightingall
饰:Narrator
饰:Self - Hurricane Researcher, UMBC
Johann Sigfússon
饰:Self - Film Director
饰:Self
饰:Self - Marine Scientist
饰:Self - Senior Meteorologist
Richard Dreyfuss
饰:Narrator
Bryan Grieg Fry
饰:Self - Host
Jeff Jay
Franklin Chang-Diaz
饰:Self - Aerospace Engineer
饰:Self - Professor - University of California
Yavar Abbas
Michael Allcock
Rick Beyer
Graeme Cornies
Mark Davis
Rushmore DeNooyer
Simon Ludgate
Corey Norman
Mark Marabella
Mark Mori
Jed Rauscher
Martin Williams
Graeme Cornies
Petr Cikhart
Mark Bedell
Rob Lyall
Jed Rauscher
Jeremy Benning
Arthur F. Binkowski
Hammond Peek
Beth Spiegel
Martin Elsbury
Michael R. Fox
Joel Franka
Salvatore Vecchio
Jed Rauscher
Arthur F. Binkowski
Beth Spiegel
Martin Elsbury
Michael R. Fox
Joel Franka
Salvatore Vecchio
Michael R. Fox
Mark Bedell
Art Phillips
John Simmons
Paul Williams
Tamas Bojtor
Johann Sigfússon
Chris Towey
Mark Bedell
Corey Norman
Anthony Smith
Petr Cikhart
Rob Lyall
Jeremy Benning
Hammond Peek
Mark Bedell
Mark Davis
John Simmons
Paul Williams
Tamas Bojtor
Johann Sigfússon
Chris Towey
Art Phillips
Minik Rosing
Mark Davis
Nigel Henbest
Max Tegmark
Joel Skeete
Stephen Hawking
Anthony Smith
Will Wright
Corey Norman
Michael R. Fox
Chris Marker
Jed Rauscher
Art Phillips
Nigel Henbest
Chris Marker
Stephen Hawking
Ruth Roberts
Polio Brezina
Will Wright
Katie Cleary
Lars Lindberg Christensen
Tish Bravo
Rushmore DeNooyer
Richard Pyle