Insanitarium poster

Insanitarium

Movie R 2008 1h 29m 5.2 /10

To shield his sister, a young man pretends to be mentally unstable and ends up admitted to a hospital. There, a surgeon with a shady bedside manner runs experiments on patients that twist their minds and bodies. As the hospital's halls close in, he discovers the doctor has a disturbing pattern of... Read more

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Streaming availability last verified: February 07, 2026

About Insanitarium

To shield his sister, a young man pretends to be mentally unstable and ends up admitted to a hospital. There, a surgeon with a shady bedside manner runs experiments on patients that twist their minds and bodies. As the hospital's halls close in, he discovers the doctor has a disturbing pattern of turning patients into violent killers. With time running out, he and a few wary allies must survive the maze of locked doors, suspicious staff, and a medical regime that blurs the line between care and cruelty. The danger isn't just outside the wards, it's lurking inside the doctor's sinister program.

Released in 2008 as a horror thriller, Insanitarium rests on an original concept by Jeff Buhler. The cast features Jesse Metcalfe, Kiele Sanchez, and Peter Stormare, while the claustrophobic hospital setting drives much of the film's tense atmosphere. The project leans on tight sets, practical effects, and a focus on character reactions under pressure rather than loud spectacle.

Box office data for Insanitarium aren’t widely available, suggesting a limited release or a direct to video strategy. No verified worldwide gross figures are publicly documented, and the film tends to circulate mainly through home viewing and streaming platforms rather than traditional cinema runs.

Despite its modest footprint, the movie has a small niche following among fans of late 2000s asylum thrillers. Peter Stormare's chilling portrayal of Dr. Gianetti has a recognizable presence in genre discussions and online communities, helping Insanitarium linger a bit longer in conversations about hospital horror.

Critics are mixed on Insanitarium, with some praising the taut atmosphere and grim premise while others find the pacing uneven and the twists predictable. Core themes include the ethics of medical experimentation, the abuse of power within care settings, and the tension between loyalty and self-preservation when a loved one is at risk, all wrapped in a bleak hospital landscape.

Details

Release Date
July 15, 2008
Runtime
1h 29m
Rating
R
User Ratings
117 votes
Type
Movie
Genres
Horror, Thriller
Country
United States
External Links
View on IMDB

Official Trailer

Cast

Jesse Metcalfe

Jesse Metcalfe

Jack

Kiele Sanchez

Kiele Sanchez

Lily

Peter Stormare

Peter Stormare

Dr. Gianetti

Kevin Sussman

Kevin Sussman

Dave

Evan Parke

Evan Parke

Charles

Olivia Munn

Olivia Munn

Nancy

Carla Gallo

Carla Gallo

Vera Downing

Armin Shimerman

Armin Shimerman

Hawthorne

Lisa Arturo

Lisa Arturo

Heather

K

Kurt Caceres

Loomis

Written by: Jeff Buhler

Frequently Asked Questions

Insanitarium is available to stream on Amazon Prime Video. You can also rent or buy it on Apple iTunes, Google Play, Vudu, and Amazon Video.

Yes, Insanitarium is available to stream on Amazon Prime Video with a subscription.

With a rating of 5.2/10 from 117 viewers, Insanitarium is divisive among viewers - your mileage may vary. It's a good pick if you enjoy horror and thriller stories.

To shield his sister, a young man pretends to be mentally unstable and ends up admitted to a hospital. There, a surgeon with a shady bedside manner runs experiments on patients that twist their minds and bodies. As the hospital's halls close in, he discovers the doctor has a disturbing pattern of...

Peter Stormare plays Dr. Gianetti in Insanitarium. He is the doctor at the center of the disturbing experiments turning patients into flesh-eating psychopaths.

Jesse Metcalfe plays Jack and Kiele Sanchez plays Lily. Jack is the young man who ends up institutionalized to cover for his sister.