• 

  William H. Calvin

  饰：Self,(as William Calvin)

• 

  Luigi Luca Cavalli-Sforza

  饰：Self

• 

  Nina Jablonski

  饰：Self

• 

  Michel Lorblanchet

  饰：Self

• 

  Zakirzhan Niyazov

  饰：Self

• 

  R.M. Pitchappan

  饰：Self

• 

  Merritt Ruhlen

  饰：Self

• 

  Peter Underhill

  饰：Self

• 

  Royden Yates

  饰：Self