• 

  伊安·霍姆

  Ian Holm

  饰：Self - Narrator,

• 

  Philip Anthony

  Philip Anthony

  饰：Werner Heisenberg

• 

  安东尼·贝特

  Anthony Bate

  饰：Niels Bohr

• 

  Randal Herley

  Randal Herley

  饰：Otto Hahn

• 

  Stephen Oxley

  Stephen Oxley

  饰：Carl Friedrich von Weizsäcker