Also known as:
- Pesadilla diabólica
- A Mansão Macabra
- Ballata macabra
- Das Landhaus der toten Seelen
- Férias Macabras
- Gazap tohumu
- I villa ton kataramenon
- Ie
- Killhouse
- Spalone ofiary
- Suljettu ovi
- Trauma
- Dan Curtis
- Robert Marasco
- William F. Nolan
- Dan Curtis
- Karen Black ... Marian Rolf
- Oliver Reed ... Ben Rolf
- Burgess Meredith ... Arnold Allardyce
- Eileen Heckart ... Roz Allardyce
- Lee Montgomery ... David 'Davey' Rolf (as Lee H. Montgomery)
- Dub Taylor ... Walker
- Bette Davis ... Aunt Elizabeth
- Joseph Riley ... Ben's Father
- Todd Turquand ... Young Ben
- Orin Cannon ... Minister
- Jim Myers ... Dr. Ross
- Anthony James ... The Chauffeur