French character actor Louis Mercier was in American films from 1929's Tiger Rose until well into the 1970s. Mercier was particularly busy at 20th Century-Fox's "B"-picture unit in the 1930s and 1940s, usually cast as detectives and magistrates. He can be seen fleetingly in Casablanca (1942) as a smuggler in the first "Rick's Café Americain" sequence. Louis Mercier's later credits...
