Brian Johnson (special effects artist)
Brian Johnson( born 1939 or 1940) is a British designer and director of film and television special effects.
D. Ross Lederman
David Ross Lederman (December 12, 1894 – August 24, 1972) was an American film director noted for his Western/action/adventure films of the 1930s and 1940s.
Starting out as an extra in Mack Sennett's Keystone Cops series, Lederman worked his way through the ranks of film production, and first made his mark as a second-unit director.
He directed several B-Western serials in the early 1930s, such as "Two-Fisted Law" and "Texas Cyclone" both 1932, in which he worked with Tim McCoy and a young John Wayne.
Becoming a full feature director in the late 1930s, Lederman specialized in action films and especially westerns, continuing to produce films with McCoy at Columbia Pictures.
Ben Cura
Ben Cura( born 30 September 1988) is a British- Argentine actor and director of film, television and theatre.
Bitto Albertini
Adalberto" Bitto" Albertini( 1924–1999) was an Italian film director and screenwriter.
He began his film career as a camera operator and as a cinematographer.
In 1974 Albertini directed" Black Emanuelle" starring the then almost unknown Laura Gemser.
Her subsequent successful career meant that she was absent from" Black Emanuelle 2", and Albertini instead cast actress Shulamith Lasri in the title role.
In 1977 he released" Yellow Emanuelle" as a comeback.
The film, starring Chai Lee, was very successful.
However the film never reached the popularity of Joe D'Amato's series.
His last two films were" Mondos" set in Asia, depicting shocking rituals and savage violence.
He died in Italy in 1999 at age 74.
Peter Levin
Peter Levin is an American director of film, television and theatre.
3 Supermen a Tokyo
3 Supermen a Tokyo is a 1968 film directed by Bitto Albertini.
Sing While You Dance
Sing While You Dance is a 1946 American musical comedy film directed by D. Ross Lederman and starring Ellen Drew, Kirby Grant, and Andrew Tombes.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Jason Moore (director)
Jason Moore( born October 22, 1970) is an American director of film, theatre and television.
Hanro Smitsman
Hanro Smitsman, born in 1967 in Breda( Netherlands), is a writer and director of film and television.

Question: Do director of film 3 Supermen a Tokyo and director of film Sing While You Dance share the same nationality?
Answer: no