The Big Bluff (Le Grand Bluff) (1957)
Eddie Constantine shines in this French tale of action and espionage as a con man whose phony oil well turns out to be very real and extremely active. When a bunch of crooks tries to gain control of his property, he is forced to fight them in order to protect his gusher. With Dominique Wilms, Mireille Granelli, Bernard Dheran. Dubbed in English.