Trivia

Rob Zombie sampled some of the Enfermera's dialogue from the English-dubbed version of the film into two of his songs. The line, "Use my body to keep you alive!" opens the song, "Never Gonna Stop," while the line, "Give it to me!" can be heard several times in "Feel So Numb."

U. S. soft-core version contains numerous sex inserts featuring among others American sexploitation actresses Kim Pope and Kim Lewid.

Filmed in 1967.