Eben Britton as Self - Former NFL Player (as Eben)

Dr. Wendy Brown as Self - Political Theorist, UC Berkeley

Ariana as Self - College Sophomore

Delaney as Self - College Junior

Jasper Holt-Teza as Self - College Senior (as Jasper)

Leigh as Self - College Senior

Anjan Chatterjee as Self - Chair of Neurology, University of Pennsylvania

Alan Schwarz as Self - Journalist, Author - ADHD Nation

Nicholas Rasmussen as Self - Author, On Speed

Nathanael as Self - Software Engineer

Sheila Britt as Self - Eben's Wife (as Brit)

Martha Farah as Self - Cognitive Neuroscientist, University of Pennsylvania

Carl Hart as Self - Chair of Psychology, Columbia University

Lawrence Diller as Self - Pediatrician, Author - Running on Ritalin

Steve Hinshaw as Self - Psychologist, Author - The ADHD Explosion

Blue Williams as Self - Artist Management (as Blue)

Bianka as Self - Leigh's Roommate

Liz Jorgensen as Self - Psychotherapist

Peter as Self - Financial Analyst

Regina Holt-Teza as Self - Jasper's Mom (as Regina)

Bill Holt as Self - Jasper's Dad (as Bill)

Maxine as Self - Blue's Mom

Keith Conner as Self - Conducted First Controlled Ritalin Study

Corey Hebert as Self - Pediatrician

Rahiem as Self - High School Student

Sherry as Self - Rahiem's Mom

Jesse Lawler as Self - Podcast Host, Smart Drug Smarts

Lucas Siegel as Self - Co-Founder, AlternaScript (as Lucas)

Matthew Piskorz as Self - Co-Founder, AlternaScript (as Matthew)

Lily as Self - Startup Publicist

Dr. James Fadiman as Self - Psychedelic Researcher

Gordon Alles as Self (archive footage)

Ringo Starr as Self (archive footage)

George Harrison as Self (archive footage)

John Lennon as Self (archive footage)

Paul McCartney as Self (archive footage)

Brigid Berlin as Self (archive footage)

William S. Burroughs as Self (archive footage)

Allen Ginsberg as Self (archive footage)

Albert Hofmann as Self (archive footage)

Max Jacobson as Self (archive footage)

Jack Kerouac as Self (archive footage)

Carla Panganiban as Elementary Student (as Karla Panganiban)

Charlie Parker as Self (archive footage)

Edie Sedgwick as Self (archive footage)

Andy Warhol as Self (archive footage)

Frank Zappa as Self (archive footage)