Movies like The Ninth Configuration

This psychological thriller, set on an island housing a facility for the criminally insane, features a protagonist whose grip on reality is as questionable as Colonel Kane's in The Ninth Configuration. Its atmospheric tension and twists will appeal to a similar audience.

With a strong focus on characters residing in a mental institution and their unique personalities, One Flew Over the Cuckoo's Nest is a classic that delves into themes of freedom, the human spirit, and the struggle against oppressive authority, making it an essential watch for those who enjoy character-driven narratives.

Following the hallucinatory and disorienting experiences of a Vietnam War veteran, Jacob's Ladder is a psychological thriller that delves deep into the psyche of its protagonist. Fans of The Ninth Configuration will appreciate the exploration of reality's boundaries and the complexity of the lead character's mental state.

Exploring themes of time travel, madness, and dystopian futures, Twelve Monkeys takes viewers on a mind-bending journey that challenges the perceptions of reality. Much like The Ninth Configuration, it merges psychological depth with a complex narrative structure.

Centered around an asbestos removal crew working in an abandoned mental institution, Session 9 is a psychological horror film that delves into the disturbed minds of its characters, echoing the eerie and introspective atmosphere of The Ninth Configuration.

Set in a remote country house with characters haunted by their past and possible supernatural occurrences, The Others shares the gothic atmosphere and psychological suspense that envelops The Ninth Configuration.

Blending elements of comedy, drama, and fantasy, The Fisher King tackles the subject of trauma and redemption through the story of two men helping each other find meaning and healing. The movie echoes the psychological complexity found in The Ninth Configuration.

Angel Heart is a dark and atmospheric film noir with supernatural elements, leading viewers through a detective's unsettling investigation. Its exploration of psychological and otherworldly aspects aligns well with the tone and themes of The Ninth Configuration.