Louis Mercier is an actor of 92 ( 7 mars 1901 - 25 mars 1993). Louis Mercier has appeared in 8 shows and 17 movies. A performance to be found in the role of Commissionaire Jouin Clement in the series Alfred Hitchcock Presents. In the cinema, in the role of Croupier (uncredited) in the feature film To Catch a Thief.