Question: Which was an American actor, Mack V. Wright or Kurt Neumann?

full_context: Document 1: Masked (film): Masked is a 1920 American short Western film directed by Mack V. Wright and featuring Hoot Gibson.
Document 2: John Ford filmography: John Ford (1894–1973) was an American film director whose career spanned from 1913 to 1971. During this time he directed more than 140 films. Born in Maine, Ford enter the filmmaking industry shortly after graduating from high school with the help of his older brother, Francis Ford, who had established himself as a leading man and director for Universal Studios. After working as an actor, assistant director, stuntman, and prop man – often for his brother – Universal gave Ford the opportunity to direct in 1917. Initially working in short films, he quickly moved into features, largely with Harry Carey as his star. In 1920 Ford left Universal and began working for the Fox Film Corporation. During the next ten years he directed more than 30 films, including the westerns "The Iron Horse" (1924) and "3 Bad Men" (1926), both starring George O'Brien, the war drama "Four Sons" and the Irish romantic drama "Hangman's House" (both 1928 and both starring Victor McLaglen). In the same year of these last two films, Ford directed his first all-talking film, the short "Napoleon's Barber". The following year he directed his first all-talking feature, "The Black Watch".
Document 3: Robert N. Bradbury: Robert N. Bradbury (March 23, 1886 – November 24, 1949) was an American film director and screenwriter who directed 125 movies between 1918 and 1941. He is most famous for directing early Western films starring John Wayne in the 1930s, including "Riders of Destiny" (1933; an early singing-cowboy movie), "The Lucky Texan" (1934), "West of the Divide" (1934), "Blue Steel" (1934), "The Man From Utah" (1934), "The Star Packer" (1934), "The Trail Beyond" (1934; co-starring Noah Beery, Sr. and Noah Beery, Jr.), "The Lawless Frontier" (1934), "Texas Terror" (1935), "Rainbow Valley" (1935), "The Dawn Rider" (1935), "Westward Ho" (1935), and "Lawless Range" (1935). These were inexpensively shot "Poverty Row" movies; many were also written by Bradbury and almost all of them featured character actor George "Gabby" Hayes. Bradbury also shot numerous similar films during this period starring his son Bob Steele or Johnny Mack Brown. Bradbury occasionally billed himself as "Robert North Bradbury", "R.N. Bradbury", or "Robert Bradbury".
Document 4: Maker of Men: Maker of Men is a 1931 American Pre-Code melodrama directed by Edward Sedgwick and written by Howard J. Green and Edward Sedgwick. The film starred Jack Holt, Richard Cromwell, and Joan Marsh, and featured John Wayne in a supporting role. The film was released by Columbia Pictures Corporation studio.
Document 5: Norbert Kückelmann: Norbert Kückelmann, (born 1 May 1930 - died 31 August 2017) was a German film director, screenwriter and lawyer. He was born in Munich, During the 1950s he studied law and worked part-time as a film critic. After graduation, he worked as a lawyer in Munich and Mainz. In 1965 he founded together with Alexander Kluge and Hans-Rolf Strobel the Young German Film Committee (German: "Kuratorium Junger Deutscher Film" . Continuing to work as a lawyer he directed his first film "Die Sachverständigen" in 1973. At the 23rd Berlin International Film Festival the film won a Silver Bear. His first film also won the Deutscher Filmpreis - Best Feature Film. At the 34th Berlin International Film Festival, his film "Man Under Suspicion" also won a Silver Bear. Two years later, he was a member of the jury at the 36th Berlin International Film Festival.
Document 6: Helmut Käutner: Helmut Käutner (born 25 March 1908 in Düsseldorf, Germany; died 20 April 1980 in Castellina in Chianti, Italy) was a German film director active mainly in the 1940s and 1950s. He began his career at the end of the Weimar Republic and had released his first major films in Nazi Germany.
Document 7: Kurt Gerron: Kurt Gerron (11 May 1897 – 28 October 1944) was a German Jewish actor and film director.
Document 8: Michael Curtiz: Michael Curtiz ( ; born Manó Kaminer, December 24, 1888 April 10, 1962) was a Hungarian-born American film director, recognized as one of the most prolific directors in history. He directed classic films from the silent era and numerous others during Hollywood's Golden Age, when the studio system was prevalent.
Document 9: Miklos Wright: Miklos Wright is an American film editor. He graduated from the Rhode Island School of Design where he received a B.A. His career began as an assistant editor on the film "Lobsterman from Mars" (1987). His most notable works include "Open Range" and "Mr. Brooks", both of which starred Kevin Costner, along with doing multiple episodes of "Southland (TV Series)" and "Chicago PD (TV Series)".
Document 10: Mack V. Wright: Mack V. Wright (9 March 1894 – 14 August 1965) was an American actor and film director. Active as a director from 1920 to the late 1940s, he also had an extensive career as an assistant director, second-unit director and production manager. His heyday was in the 1930s, when he directed or co-directed serials for Republic Pictures and made westerns for Monogram Pictures, often with John Wayne. He was also an actor, appearing in his first film in 1914 and his last in 1934, almost all of them westerns.
Document 11: Ernst Deutsch: Ernst Deutsch, also known as Ernest Dorian (16 September 1890, Prague – 22 March 1969, Berlin), was an Austrian actor. In 1916, his performance as the protagonist in the world première of Walter Hasenclever's Expressionist play "The Son" in Dresden was praised. Deutsch also played the antihero Famulus in Paul Wegener's "" in 1920. He is known by English-speaking audiences for his role as Baron Kurtz in Carol Reed's 1949 "film noir", "The Third Man".
Document 12: Tom Mix filmography: Tom Mix (1880–1940) was an American motion picture actor, director, and writer whose career spanned from 1910 until 1935. During this time he appeared in 270 films and established himself as the screen's most popular cowboy star. Mix's flair for showmanship set the standard for later cowboy heroes such as Gene Autry and Roy Rogers. His horse Tony also became a celebrity who received his own fan mail.
Document 13: Kurt Herlth: Kurt Herlth (1896–1966) was a German art director known for his designs of film sets. His brother Robert Herlth was also an art director active in the German film industry, and the two men worked together a number of times.
Document 14: Kurt Neumann (director): Kurt Neumann (5 April 1908, Nuremberg, Germany - 21 August 1958, Los Angeles) was a German Hollywood film director who specialized in science fiction movies in his later career. Neumann came to the U.S. in the early talkie era, hired to direct German language versions of Hollywood films.
Document 15: Ernst Deutsch: Ernst Deutsch, also known as Ernest Dorian (16 September 1890, Prague – 22 March 1969, Berlin), was an Austrian actor. In 1916, his performance as the protagonist in the world première of Walter Hasenclever's Expressionist play "The Son" in Dresden was praised. Deutsch also played the antihero Famulus in Paul Wegener's "" in 1920. He is known by English-speaking audiences for his role as Baron Kurtz in Carol Reed's 1949 "film noir", "The Third Man".
ground_truth: Mack V. Wright