• 
  Alison Klayman

  regizor

• 
  Brit Britton

  Herself - Eben's Wife
• 
  Ariana

  Self - College Sophomore
• 
  Delaney

  Self - College Junior
• 
  Eben Britton

  Himself
• 
  Anjan Chatterjee

  Himself
• 
  Dr. Wendy Brown

  Herself
• 
  James Fadiman

  Himself - Psychedelic Researcher

• 
  Liz Jorgensen

  Herself - Psychotherapist
• 
  Steve Hinshaw

  Himself - Psychologist, Author - The ADHD Explosion
• 
  Keith Conners

  Himself - Conducted First Controlled Ritalin Study
• 
  Jasper Holt-Teza

  Himself - College Senior
• 
  Bill Holt

  Himself - Jasper's Dad
• 
  Regina Holt-Teza

  Herself - Jasper's Mom
• 
  Corey Hebert

  Himself - Pediatrician

• 
  Lawrence Diller

  Himself - Pediatrician, Author - Running on Ritalin
• 
  Martha Farah

  Herself - Cognitive Neuroscientist, University of Pennsylvania
• 
  Carl Hart

  Himself - Chair of Psychology, Columbia University
• 
  Nicholas Rasmussen

  Self - Author, On Speed
• 
  Leigh

  Self - College Senior
• 
  Nathanael

  Self - Software Engineer
• 
  Alan Schwarz

  Self - Journalist, Author - ADHD Nation
• 
  Blue Williams

  Self - Artist Management
• 
  Bianka

  Self - Leigh's Roommate

• 
  Christopher Clements

  producător
• 
  Marissa Ericson

  producător
• 
  Julie Goldman

  producător
• 
  Carolyn Hepburn

  producător
• 
  Kate Osborn

  producător
• 
  Julia Liu

  imagine
• 
  Jennifer Fineran

  montaj
• 
  Tom Deis

  coloană sonoră
• 
  Ilan Isakov

  coloană sonoră