George Sidney
George Sidney (October 4, 1916May 5, 2002) was an American film director and film producer who worked primarily at Metro-Goldwyn-Mayer.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
John Donatich
John Donatich is the Director of Yale University Press.
Jessie Coles Grayson
Jessie Coles Grayson( also credited as Jessie Grayson and Jessica Grayson)( March 7, 1886 – February 27, 1953) was an African- American singer and actress, known for" The Little Foxes"( 1941)," Cass Timberlane"( 1947) and" Homecoming"( 1948).
Peter Levin
Peter Levin is an American director of film, television and theatre.
Olav Aaraas
Olav Aaraas( born 10 July 1950) is a Norwegian historian and museum director.
He was born in Fredrikstad.
From 1982 to 1993 he was the director of Sogn Folk Museum, from 1993 to 2010 he was the director of Maihaugen and from 2001 he has been the director of the Norwegian Museum of Cultural History.
In 2010 he was decorated with the Royal Norwegian Order of St. Olav.
John Farrell (businessman)
John Farrell is the director of YouTube in Latin America.
Cass Timberlane
Cass Timberlane is a romantic drama film starring Spencer Tracy, Lana Turner and Zachary Scott, directed by George Sidney, and released in 1948.
It was based on the 1945 novel "Cass Timberlane: A Novel of Husbands and Wives" by Sinclair Lewis, which was Lewis' nineteenth novel and one of his last.
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.
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.

Question: What nationality is the director of film Cass Timberlane?
Answer: American