Maurice Elvey (11 November 1887 – 28 August 1967) was the most prolific film director in British history.
 He directed nearly 200 films between 1913 and 1957.
 During the silent film era he directed as many as twenty films per year.
 He also produced more than fifty films - his own as well as films directed by others.
The San Francisco Docks is a 1940 film directed by Arthur Lubin and starring Burgess Meredith, Barry Fitzgerald, and Irene Hervey.
Risky Business is a 1939 film directed by Arthur Lubin and starring George Murphy and Dorothea Kent.
Big Town Czar is a 1939 American mystery film directed by Arthur Lubin starring Barton MacLane and Tom Brown.
Francis is a 1950 American black-and-white comedy film from Universal-International that launched the Francis the Talking Mule film series.
 "Francis" is produced by Robert Arthur, directed by Arthur Lubin, and stars Donald O'Connor and Patricia Medina.
 The distinctive voice of Francis is a voice-over by actor Chill Wills.
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".
 A prominent director for Universal Pictures in the 1940s and 1950s, he is perhaps best known today as the man who gave Clint Eastwood his first contract in film.
Meet the Wildcat is a 1940 film directed by Arthur Lubin.
The Big Guy is a 1939 American drama crime film directed by Arthur Lubin starring Victor McLaglen and Jackie Cooper.
A Successful Failure (1934) is an American film directed by Arthur Lubin.
 It was Lubin's first movie as director.
Secrets of a Nurse is a 1938 film directed by Arthur Lubin and starring Edmund Lowe, Helen Mack, and Dick Foran.

Question: WereMaurice Elvey and Arthur Lubin both from the USA? 
Answer: no