Castle of Evil (1966)

Director: Francis D. Lyon

Genres: Horror | Mystery | Sci-Fi

Country: USA

Language: English

Release Date: November 1966 (USA) 

Also Known As: El castillo del mal 

The relatives of a recently deceased man named Kovac gather at is creepy mansion for the reading of the will. Before the will can be read, however, the relatives began to be murdered one by one.

Links:
https://www.youtube.com/watch?v=Mxubi5RAm98