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