Altered States (1980)

A psycho-physiologist experiments with drugs and a sensory-deprivation tank and has visions he believes are genetic memories.

Director: Ken Russell

Cast: William Hurt, Blair Brown, Bob Balaban, Charles Haid, Thaao Penghlis, Miguel Godreau, Dori Brenner, Peter Brandon, Charles White-Eagle, Drew Barrymore, Megan Jeffers, Jack Murdock, Francis X. McCarthy, Deborah Baltzell, Evan Richards, Hap Lawrence, John Walter Davis, Cynthia Burr