主演：Jason Crowe Dan Nye Jessica Schroeder Arthur Cullipher Shane Beasley Kirk Chastain Kate Braun Ellie Church Jennifer Lee Kelsey Carlisle Matt Keeley Robert Aaron Mitchell Phyllis Munro Sheri Darling Scott Maus Melissa Papel
主演：Nadine Adams Jason Barnard Fred Bobbitt Lee-Shane Booysen Danica Carelse Jacobus Claassen Amir Gelgor Nieke Lombard Dimitri Louw Octavia Meissenheimer Adrienne Pearce Ashley Robinson Daniel Robinson 斯文·魯格洛克 Richard September
簡介： Which of the great primates of 25 million years ago is our common ancestor? Is it pierolapithecus?