"Fun caper which anticipated Mario Bava's DANGER: DIABOLIK (1968) - which I rewatched the very next day via Paramount's SE DVD - but isn't nearly as stylish! Glenn Saxson is a wooden lead (I should be watching him again soon in a Spaghetti Western, DJANGO SHOOTS FIRST [1966]), though Helga Line' - in a dual role! - is an attractive foil"