Harold M. Shaw
Harold M. Shaw (1877-1926) was an American actor and film director of the silent era.
He worked at the London Film Company in Britain during the First World War making films featuring star Edna Flugrath.
John E. McMahon
Major General John Eugene McMahon (December 8, 1860 – January 28, 1920) was a U.S. Army general.
He also was the father of World War II general, John E. McMahon Jr..
Diamond Rings (musician)
John O'Regan( born July 6, 1985) is a Canadian artist and musician.
He is best known by his stage name Diamond Rings.
Mike Regan (baseball)
Michael John Regan (November 19, 1887 – May 22, 1961) was a Major League Baseball pitcher who played for the Cincinnati Reds from to .
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
General John Regan (1933 film)
General John Regan is a 1933 British comedy film directed by Henry Edwards and starring Edwards, Chrissie White and Ben Welden.
It is an adaptation of the 1913 play "General John Regan" by George A. Birmingham.
It was a quota film made at Elstree Studios for release by Paramount.
General John Regan (1921 film)
General John Regan is a 1921 British comedy film directed by Harold M. Shaw and starring Milton Rosmer, Madge Stuart and Ward McAllister.
The film was made by Stoll Pictures at Cricklewood Studios.
It is based on the play "General John Regan" by George A. Birmingham.
It was remade as a sound film "General John Regan" in 1933.
Peter Levin
Peter Levin is an American director of film, television and theatre.
John Home Home
Lieutenant-General John Home Home was an officer of the British Army.
Dana Blankstein
Dana Blankstein- Cohen( born March 3, 1981) is the director of the Israeli Academy of Film and Television.
She is a film director, and an Israeli culture entrepreneur.

Question: Which country the director of film General John Regan (1921 Film) is from?
Answer: American