克里斯托弗·普卢默

Christopher Plummer

饰：Narrator

山崎努

Tsutomu Yamazaki

饰：自己

理查德·福提

Richard Fortey

饰：自己

诺姆·乔姆斯基

Noam Chomsky

饰：Self - Massachusetts Institute of Technology,1 episode, 2005,

Lawrence Witmer

饰：Self - Ohio University,1 episode, 2005,

Minik Rosing

Minik Rosing

饰：Self - Geologisk Museum, Denmark,2 episodes, 2005,

Jean-Michel Geneste

饰：Self - National Centre for Prehistory,1 episode, 2005,

James Kasting

饰：Self - Pennsylvania State University,1 episode, 2005,

理查德·道金斯

Richard Dawkins

饰：Self - Oxford University,1 episode, 2005,

Peter Ward

Peter Ward

饰：Self - University of Washington,1 episode, 2005,

Norman Sleep

饰：Self - Professor of Geophysics, Stanford University,2 episodes, 2005,

Mark Norell

饰：Self - American Museum of Natural History,1 episode, 2005,