Self - Host

Paul Altmeyer

Acting

Self

John Gittinger

Acting

Self

Timothy Leary

Acting

Self - LSD Expert

Sidney Cohen

Acting

Self - Chemist

James Moore

Acting

Self - Former CIA Inspector General

Lyman Kirkpatrick

Acting

Self

Robert Gordon Wasson

Acting

Self - Army Private (Ret.)

James Thornwell

Acting

Self - Allan Memorial Institute

Maurice Dongier

Acting

Self

Robert Cleghorn

Acting

Self (archive footage)

Fidel Castro

Acting

Raymond Shaw (archive footage)

Laurence Harvey

Acting

Self

Sidney Gottlieb

Acting