Insanitarium

In this 2008 horror-thriller film, Jesse Metcalfe plays Jack, a young man who goes undercover in a mental health institution to save his sister, Kiele Sanchez's Lily, from being involuntarily committed. As they navigate the horrors of the asylum, they encounter Dr. Gianetti (Peter Stormare), a mad doctor experimenting with an experimental compound that turns patients into flesh-eating zombies. Alongside Dave (Kevin Sussman) and nurse Nancy (Olivia Munn), Jack and Lily must find a way out before they become the next victims.