When the lights go out, the terror begins.
A quartet of murderous psychopaths break out of a mental hospital during a power blackout and lay siege to their doctor's house.
Jack Palance
Frank Hawkes
Donald Pleasence
Leo Bain
Martin Landau
Byron "Preacher" Sutcliff
Dwight Schultz
Dan Potter
Erland van Lidth
Ronald "Fatty" Elster
Deborah Hedwall
Nell Potter
April Fool's Day
Silent Night
Pieces
So I Married an Axe Murderer
Lee Taylor-Allan
Toni Potter
Phillip Clark
Tom Smith / Skaggs
Elizabeth Ward
Lyla Potter
Brent Jennings
Ray Curtis
The Boogey Man
Nightmare in Badham County
Murder by Phone
No Future
Jekyll and Hyde... Together Again
The Evictors
The Thing from Another World
Acts of Vengeance