A demented nun sliding through morphine addiction into madness, while presiding over a regime of lesbianism, torture and death. Sister Gertrude is the head nurse/nun in a general hospital, whose increasingly psychotic behavior endangers the staff and patients around her.
as Sister Gertrude
as Dr. Patrick Roland
as Mother Superior
as Dr. Poirret
as Director
as Sister Mathieu
as Peter
as Baroness
as Nurse
as Florence
as Janet
as Josephine
as Priest in Confessional
as Sister Gertrude's Lover
as Sister Gertrude (voice) (uncredited)