• 

  Peter Brukner

  饰：Self,(as Dr. Peter Brukner)

• 

  Merdith Loring

  饰：Self

• 

  Dana Magenau

  饰：Self

• 

  Tim Noakes

  饰：Self

• 

  Donal O'Neill

  饰：Self

• 

  Stephen Phinney

  饰：Self,(as Dr. Stephen Phinney)

• 

  Sami Inkinen

  饰：Himself

• 

  Philip Mills

  饰：Himself

• 

  Andy Moran

  饰：Himself