cast
- Paul Altmeyer Self - Host
- John Gittinger Self
-
Timothy Leary
Self
- Sidney Cohen Self - LSD Expert
- James Moore Self - Chemist
- Lyman Kirkpatrick Self - Former CIA Inspector General
- Robert Gordon Wasson Self
- James Thornwell Self - Army Private (Ret.)
- Maurice Dongier Self - Allan Memorial Institute
- Robert Cleghorn Self
-
Fidel Castro
Self (archive footage)
-
Laurence Harvey
Raymond Shaw (archive footage)
- Sidney Gottlieb Self