SZEREPLŐK
Alice Roberts
Self - Presenter- Alun Hubbard
Self - Aberyswyth University - Grigoriev Semyon Egorovich
Self - director of The Mammoth Museum in Yakutia - John M. Harris
Self - curator, La Brea Tar Pits and Museum - Nick Zentner
Self - geologist, Central Washington University - Gary Haynes
Self - archaeologist, University of Nevada - Trevor S. Valle
Self - paleontologist - John Broster
Self - Tennessee Division of Archaeology - Daniel Fisher
Self - University of Michigan - Dave Gillette
Self - Museum of Northern Arizona - Sergey Lev
Self - Russian Academy of Sciences - Kendra McLauchlan
Self - Kansas State University - Jim Mead
Self - East Tennessee State University - Breck Parkman
Self - California State Parks - Matt Pope
Self - University College, London - Natasha Reynolds
Self - Oxford University - Marius Robu
Self - Institutul de Speologie, Romania - Blaine Schubert
Self - East Tennessee State University - Christopher A. Shaw
Self - George C. Page Museum - Laura Tewksbury
Self - George C. Page Museum - Blaire Van Valkenburgh
Self - UCLA - Mike Waters
Self - Texas A&M University - Grant Zazula
Self - Government of Yukon
Kívánság 
A remény rabjai 
A mi kis falunk 