Robert Thornby
Robert Thornby( March 27, 1888 – March 6, 1953) was an American director and actor of the silent era.
He directed 75 films between 1913 and 1927.
He also appeared in 48 films between 1911 and 1930.
He was born in New York, New York and died in Los Angeles, California.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Brian Johnson (special effects artist)
Brian Johnson( born 1939 or 1940) is a British designer and director of film and television special effects.
Hanro Smitsman
Hanro Smitsman, born in 1967 in Breda( Netherlands), is a writer and director of film and television.
The A.B.C. of Love
The A.B.C. of Love is a 1919 American silent drama film directed by Léonce Perret and starring Mae Murray, Holmes Herbert and Dorothy Green.
Ben Cura
Ben Cura( born 30 September 1988) is a British- Argentine actor and director of film, television and theatre.
Little Miss Optimist
Little Miss Optimist is a 1917 American silent drama film directed by Robert Thornby and written by Gardner Hunting.
The film stars Vivian Martin, Tom Moore, Charles West, Ernest Joy, Charles K. Gerrard, and Helen Bray.
The film was released on August 26, 1917, by Paramount Pictures.
Jason Moore (director)
Jason Moore( born October 22, 1970) is an American director of film, theatre and television.
Peter Levin
Peter Levin is an American director of film, television and theatre.
Léonce Perret
Léonce Joseph Perret (14 March 1880 – 12 August 1935) was a prolific and innovative French film actor, director and producer.
He also worked as a stage actor and director.
Often described as avant-garde for his unorthodox directing methods, Léonce Perret introduced innovative camera, lighting and film scoring techniques to French cinema.
Léonce Perret began his career as a relatively undistinguished stage actor.
He was recruited to the film industry by the Gaumont Film Company.
His numerous short films gained significant accolade in French cinematography.
Until his emigration to the United States in 1917, he was a fixture of the Gaumont Film Company.
On American soil, he produced several popular films, the most notable being "Lest We ForgetN'oublions jamais") in 1918.
After returning to France, he directed the successful "Koenigsmark" in 1923.
His film "Madame Sans-Gêne" (1925), starring Gloria Swanson, was the first joint Franco-American film production.
In addition, Léonce Perret collaborated with many of the French and American idols of his generation such as Abel Gance, Gloria Swanson, Gaby Morlay, René Cresté, Arletty, Suzanne Grandais, Mae Murray, and Huguette Duflos.

Question: Do director of film Little Miss Optimist and director of film The A.B.C. Of Love have the same nationality?
Answer: no