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Michael R. Eades

饰：Himself - Expert

Boyd Eaton

饰：Himself

David J. Getoff

饰：Himself - Expert

Jean-Jacques Hublin

饰：Himself

Ben Lamm

饰：Young C.J. Hunt

Marina Leung

饰：Herself

Gary J. Sawyer

饰：Himself

Barry Sears

饰：Himself

Lane Sebring

饰：Himself - Expert

Marie Soressi

饰：Herself

C.J. Hunt

饰：Himself - Host

Leslie Aiello

Leslie Aiello

饰：Herself

Gary Taubes

饰：Self - Expert

Robb Wolf

饰：Self - Expert

Andrew Weil

饰：Self