Glumci
Jonathan KeebleSelf - Narrator (UK)- Tony PraveSelf - Geologist, University of St. Andrews
- Mike PolandSelf - Geologist, U.S. Geological Survey
- Nick PetfordSelf - Bournemouth University
- Charles MerguerianSelf - Geologist, Hofstra University
- Karl E. KarlstromSelf - Geologist, University of New Mexico
- Bob AndersonPhotographer, University of Colorado at Boulder
- Bill McGuireSelf - Geologist, University College London
Scenarista:
Kate Dart
Narator:
Corey Johnson
Slike
Recenzije
Nema recenzija
Kad jaganjci utihnu 
Državni posao 
Do zvezda 