Detective, The (aka Father Brown – Detective, 1954, U.K.)

A wile priest, moonlighting as an amatuer detective, plays cat and mouse through Europe with an international art thief, who proves a clever opponent indeed. An extremely entertaining and polished film with Alec Guinness at his best as the likable clerical detective. Also stars Peter Finch (Network), Bernard Lee (Dr. No, The Third Man), Joan Greenwood (Kind Hearts and Coronets).