출연진

• 

  Jacques-Yves Cousteau

  Jacques-Yves Cousteau

  Self (archive footage)

• 

  Dian Fossey

  Dian Fossey

  Self (archive footage)

• B

  Birute Galdikas

  Birute Galdikas

  Self

• 

  제인 구달

  Jane Goodall

  Self (archive footage)

• 

  Richard Kiley

  Richard Kiley

  Self - Narrator