Werner Herzog sets his sights on yet another mysterious landscape — the human brain — for clues as to why a hunk of tissue can produce profound thoughts and feelings while considering the philosophical, ethical, and social implications of fast-advancing neural technology.

Rafael Yuste
as Self

Christof Koch
as Self

Bryan Johnson
as Self

Kristin Lauter
as Self

Dário Gil
as Self

Richard Axel
as Self

Dr Cori Bargmann
as Self

Joseph LeDoux
as Self

Philippe Petit
as Self

Karl Deisseroth
as Self