Director:
Paul Davids

Casting:
Todd Mills,
Mark Bernheimer,
Michael Bowen,

USA, 1996

Director:
Martin Witz

Casting:
Trevor J. Roling,
Hanspeter Müller,
Mario Scarabelli,

Switzerland, Germany, 2011

Director:
Connie Littlefield

Casting:
Duncan Blewett,
Ram Dass,
Stanislav Grof,

Canada, 2002

Director:
Robin S. Clark

Casting:
Timothy Leary,
Ralph Metzner,
Rosemary Woodruff Leary,

USA, 1967

Director:
Oliver Hockenhull

Casting:
Wade Davis,
Rick Doblin,
Julie Holland,

Canada, USA, 2013