Joe Rogan

Character: Self - Host

Ralph Abraham

Character: Self - Mathematician

Joel Bakst

Character: Self - Rabbi

Steven Barker

Character: Self - Pharmacologist

Cynthia Geist

Character: Self - DMT Study Nurse

Susan Blumenthal

Character: Self - DMT Volunteer

Patricio Dominguez

Character: Self - DMT Volunteer

Neal Goldsmith

Character: Self - Psychologist

Alex Grey

Character: Self - Artist

Roland Griffiths

Character: Self - Behavioral Pharmocologist

Charles Grob

Character: Self - Psychiatrist

Kathleen Harrison

Character: Self - Ethnobotanist

Terence McKenna

Character: Self - Writer & Cultural Commentator (archive footage)

Erik Davis

Character: Self - Writer

Graham Hancock

Character: Self - Writer

James Kent

Character: Self - Writer

Dennis J. McKenna

Character: Self - Ethnopharmacologist

Ralph Metzner

Character: Self - Psychologist

Christian Meuli

Character: Self - DMT Volunteer, Family Physician

Jeremy Narby

Character: Self - Anthropologist

Andrew Newberg

Character: Self - Radiologist

David Nichols

Character: Self - Medicinal Chemist

Daniel Pinchbeck

Character: Self - Writer

Douglas Rushkoff

Character: Self - Writer

Spiros Antonopoulos

Character: Self - DMT Volunteer, Yoga Student

Leanna Standish

Character: Self - Naturopathic Physician

Andrew Stone

Character: Self - DMT Volunteer, Software Developer

Rick Strassman

Character: Self - Psychiatrist

Robert Weisz

Character: Self - DMT Volunteer, Clinical Psychiatrist

Ricardo Amaringo

Character: Self

Alvin Joseph

Character: Self

Jon Levin

Character: Self

Aja Loux

Character: Self

José Pineda Vargas

Character: Self

Jordan Phillips

Character: Self

Jose Plaza

Character: Self

Mitch Schultz

Character: Self

Rob Velez

Character: Self

Fermin Quintuna

Character: Self

Ede Frecska

Character: Self - Psychopharmacologist