The british director of the 1947 film New Orleans is not from the USA. Neither is the director of Room in the House.
Maurice Elvey (11 November 1887  28 August 1967) was the most prolific film director in British history. 
Arthur Lubin (July 25, 1898  May 12, 1995) was an American film director and producer who directed several "Abbott & Costello" films, "Phantom of the Opera" (1943), the "Francis the Talking Mule" series and created the talking-horse TV series "Mister Ed". 
Room in the House is a 1955 comedy-drama film directed by Maurice Elvey. 
 The movie stars Arturo de Cordova and Dorothy Patrick, features Marjorie Lord, and was directed by Arthur Lubin. 
