This enjoyable caper was filmed entirely on location in Zurich. A Swiss bank is being blackmailed, and American ex-US Treasury agent Christopher (1970s TV star David Jannsen) is hired to find out who's behind it. An aging but virile guy who wears his wide-collar polyester shirt open to show his graying chest hairs, Jannsen is a great retro-hero. Senta Berger is his attractive Swiss love interest; she likes to drive fast cars in the Alps. Ray Milland, very old, but still holding it together nicely, plays th...