• 
  Jennifer Elster

  regizor

• 
  Questlove
• 
  Debra Winger
• 
  Rosie Perez
• 
  Aimee Mullins
• 
  Alan Cumming
• 
  Bob Mankoff
• 
  Clay Matthewman

• 
  Donald Baker
• 
  Felicia Milewicz
• 
  Gale Harold
• 
  Glenn O'Brien
• 
  Julian Schlossberg
• 
  Kent Cullers
• 
  Liya Kebede

• 
  Marie Elster
• 
  Marlo Thomas
• 
  Moby
• 
  Rufus Wainwright
• 
  Temple Grandin
• 
  Will Oldham
• 
  Will Shortz
• 
  Terrence Howard
• 
  Paz de la Huerta

  3 episodes, 2013
• 
  Jørgen Leth

  3 episodes, 2013
• 
  Dave Matthews

  3 episodes, 2013
• 
  Lewis Helfer

  3 episodes, 2013
• 
  Aubrey de Grey

  3 episodes, 2013
• 
  Joseph Oliveira

  3 episodes, 2013
• 
  Margie Ferreira

  3 episodes, 2013
• 
  Father Louis

  3 episodes, 2013
• 
  Famke Janssen

  Self

• 
  Angelique Mermet

  producător asociat
• 
  Shannon Upstill

  producător asociat
• 
  Johanna Voutounou

  producător asociat
• 
  Geoffrey Kirsch

  producător executiv
• 
  Bernie Newcomb

  producător executiv
• 
  David Strasser

  producător executiv