Samantha Seager
Samantha Seager
饰：Primitive Human
Karyn Drane
Karyn Drane
饰：Primitive Human
Cory Generoux
Cory Generoux
饰：Primitive Human
Lorne Duquette
Lorne Duquette
饰：Primitive Human
Delvin Opissinow
Delvin Opissinow
饰：Primitive Human
Vernon Knight
Vernon Knight
饰：Primitive Human
Miltos Yerolemou
Miltos Yerolemou
饰：Primitive Human
Rena Ermine
Rena Ermine
饰：Primitive Human
Larry Agenbroad
Larry Agenbroad
饰：Self - of University of Northern Arizona
Frank Fish
Frank Fish
饰：Self - of West Chester University
Larry Witmer
Larry Witmer
饰：Self - of Ohio University
Maureen O'Leary
Maureen O'Leary
饰：Herself - of State University of New York at Stony Brook (unknow
Mark Uhen
Mark Uhen
饰：Himself - of Cranbrook Institute of Science
Scott E. Foss
Scott E. Foss
饰：Himself - of John Day Fossil Beds National Park
Kent Sundell
Kent Sundell
饰：Himself - of Casper College, Wyoming
Japeth Boyce
Japeth Boyce
饰：Himself - of Rapid City, South Dakota
Donald Prothero
Donald Prothero
饰：Self - of Occidental College
Leslie Aiello
Leslie Aiello
饰：Self - of University College, London
Bob Brain
Bob Brain
饰：Self - of Transvaal Museum, Pretoria
Blair Van Valkenburgh
Blair Van Valkenburgh
饰：Herself - of University of California
Alan Turner
Alan Turner
饰：Self - of Liverpool John Moores University
Michael J. Benton
Michael J. Benton
饰：Self - of University of Bristol, UK
Michael Bisson
Michael Bisson
饰：Self - of McGill University
肯尼思·布拉纳
Kenneth Branagh
饰：Narrator
斯托卡特·詹宁
Stockard Channing
饰：Narrator