According to Christopher Lee, during the post-sync stage he had to dub his own voice only with a vague memory of his lines, because a continuity girl had neglected to record the dialogue of the movie on paper.
Credited film debut of Donald Sutherland, though he had appeared uncredited in the previous year's The World Ten Times Over (1963).
The scriptures quoted by Count Drago ([ Christopher Lee]) at the grave site include Psalm 90:4-6 and 1 Corinthians 15: 51-52.
Stars Philippe Leroy and Donald Sutherland both passed away in June 2024.
CASTLE OF THE WALKING DEAD is not the same movie.as CASTLE OF THE LIVING DEAD. It is one of the many home video titles given to Christopher Lee's 1967 German horror film THE SNAKE PIT & THE PENDULUM. It's usually known outside of Germany as THE TORTURE CHAMBER OF DR SADISM or THE BLOOD DEMON. CASTLE OF THE LIVING DEAD was shot in B&W in Italy in 1964 and was Donald Sutherlands first movie.