Robert Gaillard
Robert Gaillard( 1868–1941) was an American stage and film actor.
He also directed a number of films during the silent era.
G. B. Samuelson Productions
G. B. Samuelson Productions was a British film production company which operated in the silent film and early sound film era of films during the period 1914 to 1933, during which time the company produced around 70 films.
The company was run by G.B. Samuelson, who also directed a number of films.
The company also made several films under the names British- Super films and Napoleon Films.
Mr. Right (2009 film)
Mr. Right is a 2009 British film directed by David Morris and Jacqui Morris.
The jointly- made gay- themed film is the debut for both directors.
Christina Crawford
Christina Crawford( born June 11, 1939) is an American authoress and actress, best known for her 1978 memoir," Mommie Dearest", an account of growing up with her adoptive mother, film star Joan Crawford.
Fred Sauer
Fred Sauer( 14 December 1886 – 17 September 1952) was an Austrian actor, film director and screenwriter.
The Silent Avenger
The Silent Avenger is a 1927 American silent action film directed by James P. Hogan and starring Charles Delaney, Duane Thompson and George Chesebro.
Single Mother
A single mother is a female single parent.
Single Mother or Single Mothers may also refer to:
Single Mother (film)
Single Mother( German: Ledige Mütter) is a 1928 German silent film directed by Fred Sauer and starring Victor Colani, Werner Fuetterer, and Lilian Hardt.
The film's art direction was by Willi Herrmann.
Jennalee Ryan
Jennalee Ryan( born October 25, 1957) is an entrepreneur and single mother of eight children best known for the foundation of a human embryo bank named The Abraham Center of Life.
James P. Hogan (director)
James Patrick Hogan( September 21, 1890, Lowell, Massachusetts — November 4, 1943, North Hollywood, California) was an American filmmaker.
His movies included" Bulldog Drummond's Secret Police"( 1939) and" The Mad Ghoul"( 1943), his last film.
He died from a heart attack aged 53.

Question: Do both directors of films Single Mother (film) and The Silent Avenger share the same nationality?
Answer: no