The Fifth Floor is a 1978 American thriller film about a sane woman who gets sent to an asylum.
It stars Dianne Hull, Bo Hopkins and Mel Ferrer.
[6][7] She is misdiagnosed as suicidal and sent to a psychiatric ward[8] which is on the fifth floor of Cedar Springs Hospital.
[10] She becomes the subject of interest by an unbalanced orderly played by Bo Hopkins.
[11] Cathey Paine, who played the part of Leslie Van Houten in Helter Skelter (1976), Robert Englund and Michael Berryman who are familiar to horror fans also play parts in the film.