Director/a
David Huntley
DIRECTOR/A
Sally Jean Williams
Escritor/a
ESCRITOR/A
Thomas Quinn
Reparto (por orden de créditos)
Phillip Manning
Self
Gregory Erickson
Florida State University
Kent Stevens
Self - University of Oregon
Peter Dodson
Self - , University of Pennsylvania
Mathew Wedel
Self, University University of Health
Lawrence Witmer
Self, University of Ohio
Xu Xing
Self - Peking University
Peter L. Larson
Self - Black Hills Institute of Geological Research
Rodolfo Coria
Self - Paleontology, Museo Carmen Funes Plaza Huincul,
Peter Makovicky
Self - , University of Chicago
