Joe Rogan
Self - Host
Ralph Abraham
Self - Mathematician
Joel Bakst
Self - Rabbi
Steven Barker
Self - Pharmacologist
Cynthia Geist
Self - DMT Study Nurse
Susan Blumenthal
Self - DMT Volunteer
Patricio Dominguez
Self - DMT Volunteer
Neal Goldsmith
Self - Psychologist
Alex Grey
Self - Artist
Roland Griffiths
Self - Behavioral Pharmocologist
Charles Grob
Self - Psychiatrist
Kathleen Harrison
Self - Ethnobotanist
Terence McKenna
Self - Writer & Cultural Commentator (archive footage)
Erik Davis
Self - Writer
Graham Hancock
Self - Writer
James Kent
Self - Writer
Dennis J. McKenna
Self - Ethnopharmacologist
Ralph Metzner
Self - Psychologist
Christian Meuli
Self - DMT Volunteer, Family Physician
Jeremy Narby
Self - Anthropologist
Andrew Newberg
Self - Radiologist
David Nichols
Self - Medicinal Chemist
Daniel Pinchbeck
Self - Writer
Douglas Rushkoff
Self - Writer
Spiros Antonopoulos
Self - DMT Volunteer, Yoga Student
Leanna Standish
Self - Naturopathic Physician
Andrew Stone
Self - DMT Volunteer, Software Developer
Rick Strassman
Self - Psychiatrist
Robert Weisz
Self - DMT Volunteer, Clinical Psychiatrist
Ricardo Amaringo
Self
Alvin Joseph
Self
Jon Levin
Self
Aja Loux
Self
José Pineda Vargas
Self
Jordan Phillips
Self
Jose Plaza
Self
Mitch Schultz
Self
Rob Velez
Self
Fermin Quintuna
Self
Ede Frecska
Self - Psychopharmacologist