Frankly, despite its ambitious sets and a stereotypical, made-up Boris Karloff villain, it's a dull pre-Code film that never fails to frequent clichés in its exotic horror adventure. [Full review in Spanish]

[UPDATED 2024 BLU-RAY REVIEW] Here’s a particularly potent and pungent piece of pre-Code perversity.

This is a creaky but entertaining relic from the early sound era. Basically an adventure story...it edges into the horror category thanks to the fiendish torture devices used by the Oriental criminal mastermind - and his sadistic daughter.

An entertaining but politically incorrect hokum escapist adventure story.