Paul Martin (director)
Paul Martin (8 February 1899 – 26 January 1967) was a Hungarian film director and screenwriter who worked for many years in the German film industry.
He directed 60 films between 1932 and 1967.
He was romantically involved with the film star Lilian Harvey and directed her in a number of films until he left her in 1938 for the actress Frauke Lauterbach.
They made one final film "Woman at the Wheel" together during the filming of which their relationship remained cold.
Zoltan Elek
Zoltan Elek is a makeup artist who won the 1985 Academy Award for Best Makeup for the film" Mask", shared with colleague Michael Westmore.
He also was the creator for the makeup of Max Headroom.
Peter Levin
Peter Levin is an American director of film, television and theatre.
John Farrell (businessman)
John Farrell is the director of YouTube in Latin America.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Florence Tullis
Florence" Rusty" Tullis( née Steinberg; May 29, 1936 – November 11, 2006), also known as Rusty Dennis, Rusty Mason and Rusty Dennis Mason was an American woman known for being the mother of Rocky Dennis, who was diagnosed with craniodiaphyseal dysplasia.
Their story was depicted in the 1985 film" Mask", in which Tullis was portrayed by Cher.
Michael Govan
Michael Govan( born 1963) is the director of the Los Angeles County Museum of Art since 2006.
Prior to this, Govan worked as the director of the Dia Art Foundation in New York City.
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.
Vinod Vijayan
Vinod Kumar Vijayan is an Indian Film Director, Writer and Producer.
He got International Video Festival Award for his first Short Film MASK in age of 18.
He is known for his works in Malayalam and Telugu cinema.
His films include" Quotation"( 2004)," Red Salute"( 2006) and" D Company: The Judgement Day"( 2013).
Mask in Blue (1943 film)
Mask in Blue  is a 1943 German musical comedy film directed by Paul Martin and starring Clara Tabody, Wolf Albach-Retty and Hans Moser.
It is an operetta film based on the stage work of the same name composed by Fred Raymond.
The film was remade in Agfacolor by Georg Jacoby in 1953.
The film's sets were designed by the art director Heinrich Beisenherz and Alfred Bütow.

Question: What nationality is the director of film Mask In Blue (1943 Film)?
Answer: Hungarian