Jack Harris
В роли: Self - Professor of Anthropology / Rutgers University

Kevin Hunt
В роли: Self - Professor of Anthropology / Indiana University

Lance Lewman
В роли: Narrator

Jill Pruetz
В роли: Self - Professor of Anthropology / Iowa State University

Brian Richmond
В роли: Self - Anthropologist / George Washington University and the Smithsonian Institution

Crickette Sanz
В роли: Self - Professor of Anthropology / Washington University

Richard Wrangham
В роли: Self - Prof. of Human Evolutionary Biology / Harvard Univ.