Watched this one for the first time the other day via the Warner Bros double bill DVD that has CHAMBER OF HORRORS on it too.
Pretty ropey to be honest. The geezer who plays Nayalnd Smith was rubbish, he delivered his lines whilst looking away from the person he was speaking to in a manner that annoyed me.
Nice to see a young Burt Kwouk pre Cato Fong! I bloody love Burt Kwouk!