Assuming the mantle of a 1940s classic proves equally invigorating for Koepp and Soderbergh, who have given themselves interesting problems to solve and their performers sophisticated material to play.

Almost more Coward than le Carré, Black Bag favors penetrating parlor conversations over rousing car chases and exotic covert operations.

It's a very brisk 90 minutes, which is always very welcome.

But Black Bag is an excellent reminder to the less-aware general public that [Soderbergh] is nothing less than a seasoned master showing no signs of slowing down any time soon.