Obsada:

• Jerry Hoffman Charles Sternberg
• Jennifer Aguilar Female Grad Student
• Michael Ashcraft South Dakota Scientist 2
• Michael Ashcroft South Dakota Scientist 2
• Paul Burmaster North Dakota Collector #1
• Paul W. Burmaster North Dakota Collector
• Albert J. Burnes Male Grad Student
• Daniel Coldham Worker - Phosphate Mine
• Toni Dodd Pamela Everhart
• Derek Gamble Worker - Phosphate Mine
• Chris Glaze Michael J. Everhart
• Curtis Hawkins Worker - Phosphate Mine
• Cheryl Hunter Dr. Betsy Richards
• C.J. Johnson Road Worker
• Efi Kamara Worker - Phosphate Mine
• Doug Kisgen Levi Sternberg
• Chris Koeberl Netherlands Scientist
• Kathleen Leighton Texas Collector 1
• Brian Lemmons Worker - Phosphate Mine
• Michael McConnohie George Sternberg
• Nissam Mina Forman - Phosphate Mine
• Casey Myers Texas Collector 2
• Dan Nichols Martin
• Frank Novak George Sternberg
• Liam Owen Photographer
• Shari Phillips Camping Mother Voice
• Thea Phillips Camping Daughter
• James Rudnick Australian Scientist 1
• Charlotte Salem Camping Daughter
• Joe Salem Camping Father
• Liev Schreiber Himself - Narrator
• Michael Sorich South Dakota Scientist 1
• Jeffrey Staab George Sternberg
• Kevin Stidham Australian Scientist 2
• Walley Thornton Reporter
• Jack van Dijk Netherlands Scientist
• Caroline Vinciguerra Mom
• Christopher Wheatley North Dakota Collector