A Hyena in the Safe (1968)

Name: A Hyena in the Safe
Genre: Horror, Crime, Thriller
Released: 1968-07-26
Duration: 92 min
Cast: Dimitri Nabokov, Maria Luisa Geisberger, Ben Salvador, Alex Morrison, Karina Kar

Four notorious bank robbers meet up in an isolated castle to divide a large number of diamonds hidden there by their deceased former boss, whose Italian wife is hosting a party.