A research scientist explores the boundaries and frontiers of consciousness. Using sensory deprivation and hallucinogenic mixtures from native American shamans, he explores these altered states of consciousness and finds that memory, time, and perhaps reality itself are states of mind.

William Hurt
Professor Eddie Jessup

Blair Brown
Emily Jessup

Bob Balaban
Arthur Rosenberg

Charles Haid
Mason Parrish

Thaao Penghlis
Echeverria
Miguel Godreau
Primal Man

Dori Brenner
Sylvia Rosenberg

Peter Brandon
Hobart
712 ratings. The score is reasonably stable but could shift up to 0.10 as more ratings come in.
Why we're confident →Click icons to visit streaming services directly. Streaming service names and logos are trademarks of their respective owners.
Release Date
December 25, 1980
Runtime
1h 42m
Rating
R
Genres
Horror, Science Fiction, Thriller
Director