• 
  Ashton Kutcher

  el însuşi
• 
  Buzz Aldrin

  Himself - Interviewee
• 
  Stephen Hawking

  Himself - Interviewee
• 
  Michio Kaku

  Himself - Interviewee
• 
  Shimon Peres

  Himself - Interviewee
• 
  Raymond Kurzweil

  Himself - Interviewee (as Ray Kurzweil)
• 
  Martin Rees

  Himself - Interviewee
• 
  Ken Robinson

  Himself - Interviewee

• 
  Dean Kamen

  Himself - Interviewee
• 
  Chris Anderson

  Himself - Interviewee
• 
  Peter Diamandis

  Himself - Interviewee
• 
  Neil Jacobstein

  Himself - Interviewee
• 
  Marc Goodman

  Himself - Interviewee
• 
  Daniel Kraft

  Himself - Interviewee
• 
  Dan Barry

  Himself - Interviewee