Question: Are Robert Wiene and Chris Buck both nationals of the same country ?

Context articles: The Queen's Love Letter
The Other (1930 film)
Conrad Wiene
Chris Buck
The Love Express
Panic in the House of Ardon
Typhoon (1933 film)
Robert Wiene
Folly of Love
Chris Buck Band

The Queen's Love Letter (German:Der Liebesbrief der Königin) is a 1916 German silent comedy film directed by Robert Wiene and starring Henny Porten, Arthur Schröder and Rudolf Biebrach.
 Its story is unconnected with Wiene's film "The Queen's Secretary" which was released the same year.
The Other (German: Der Andere) is a 1930 German drama film directed by Robert Wiene and starring Fritz Kortner, Käthe von Nagy and Heinrich George.
 It was based on the 1893 play "Der Andere" by Paul Lindau.
 A French-language version "The Prosecutor Hallers" was shot by Wiene immediately afterwards in the same Berlin studio, but with different actors.
Conrad Wiene (born 3 February 1878 – 1934) was an actor, screenwriter, film producer and director of Austrian and German silent film.
 He was a younger brother of German film director Robert Wiene ("The Cabinet of Dr. Caligari").
Chris Buck (born 1960/1961) is an American film director known for co-directing "Tarzan" (1999), "Surf's Up" (2007) (which was nominated for the 2008 Oscar for Best Animated Feature), and "Frozen" (2013) (which won the Oscar for Best Animated Feature in 2014).
 He also worked as a supervising animator on "Home on the Range" (2004) and "Pocahontas" (1995).
The Love Express (German: Der Liebesexpreß) is a 1931 German musical comedy film directed by Robert Wiene and starring Georg Alexander, Dina Gralla and Joseph Schmidt.
 No print of the film is known to survive, and it is therefore a lost film.
 It is based on the operetta "Es lebe die Liebe" by Alexander Engel and Wilhelm Sterk.
 It was one of a cycle of operetta films made during the early sound era.
 A French-language version, "Venetian Nights" ("Nuits de Venise"), also directed by Wiene, was released the same year.
Panic in the House of Ardon (German: Der Schrecken im Hause Ardon) is a 1920 German silent crime film directed by Robert Wiene and starring Stella Harf, Max Kronert and Paul Mederow.
 The film was finished by August 1920, but did not have its premiere until July 1921.
 It also had several alternative titles including Die Welteroberer (The World Conquerors).
 A crime syndicate attempts to discover the scientific secrets of the chemical company Ardon.
 The film was made in the Expressionist style that had been used for Wiene's earlier hit "The Cabinet of Dr. Caligari".
 It features the popular detective Stuart Webbs, closely modeled on Sherlock Holmes.
Typhoon (German: Taifun ) is a 1933 German drama film directed by Robert Wiene and starring Liane Haid, Viktor de Kowa and Valéry Inkijinoff.
 It was based on the 1911 play "Typhoon" by the Hungarian writer Melchior Lengyel.
 It was the last German film made by Wiene, who had been a leading director of German silent cinema.
Robert Wiene (] ; 27 April 1873 – 17 July 1938) was a film director of the German silent cinema.
 He is particularly known for directing the German silent film "The Cabinet of Dr. Caligari" and a succession of other expressionist films.
 Wiene also directed a variety of other films of varying styles and genres.
 Following the Nazi rise to power in Germany, Wiene fled into exile.
Folly of Love (German: Unfug der Liebe) is a 1928 German silent comedy film directed by Robert Wiene and starring Maria Jacobini, Jack Trevor and Betty Astor.
 While several of Wiene's previous films had met with mixed responses, "Folly of Love" was universally praised by critics.
 It was Wiene's last silent film.
 His next work was the 1930 sound film "The Other".
Chris Buck Band is a Canadian country music group from Vancouver, British Columbia composed of Chris Buck, Michael Vanderlans, Taylor Allum, Paul Kinman and Phillip Puxley.
 Buck formed the band when he lost his best friend to cancer at age 13.
 Their first single, "Caribbean Dream", was released in 2013.
 It was included on their debut album, "Buck Wild", released in June 2014.
 Chris Buck Band won the 2014 British Columbia Country Music Association Award for Country Club Act of the Year.
 At the 2015 BCCMA Awards, they won Country Club Act of the Year and Group/Duo of the Year.