Altered States
movie

In the basement of a university medical school, Dr. Jessup floats naked in total darkness. The most terrifying experiment in the history of science is out of control... and the subject is himself.
Released December 25, 1980
Overview
A research scientist explores the boundaries and frontiers of human consciousness. Using sensory deprivation and hallucinogenic mixtures from Native American shamans, he explores these altered states of cognizance and finds that memory, time, and reality itself are states of mind.
Cast

William Hurt
as
Professor Eddie Jessup

Blair Brown
as
Emily Jessup

Bob Balaban
as
Arthur Rosenberg

Charles Haid
as
Mason Parrish

Thaao Penghlis
as
Echeverria
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Miguel Godreau
as
Primal Man

Dori Brenner
as
Sylvia Rosenberg

Peter Brandon
as
Hobart

Charles White-Eagle
as
The Brujo

Drew Barrymore
as
Margaret Jessup
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Megan Jeffers
as
Grace Jessup

Jack Murdock
as
Hector Orteco
Crew

Paddy Chayefsky
as
Novel

Paddy Chayefsky
as
Screenplay
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John Corigliano
as
Original Music Composer
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Howard Gottfried
as
Producer
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Daniel Melnick
as
Executive Producer

Ken Russell
as
Director

Jordan Cronenweth
as
Director of Photography
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Eric Jenkins
as
Editor
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Howard Feuer
as
Casting
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Ruth Myers
as
Costume Design
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Jeremy Ritzer
as
Casting
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Richard Macdonald
as
Production Design