Question: Was Arnold Rothstein an American actor, if no, then what was he?

full_context: Document 1: Bugsy Siegel: Benjamin "Bugsy" Siegel (February 28, 1906 – June 20, 1947) was a Jewish American mobster. Siegel was known as one of the most "infamous and feared gangsters of his day". Described as handsome and charismatic, he became one of the first front-page celebrity gangsters. He was also a driving force behind the development of the Las Vegas Strip. Siegel was not only influential within the Jewish mob but, like his friend and fellow gangster Meyer Lansky, he also held significant influence within the Italian-American Mafia and the largely Italian-Jewish National Crime Syndicate.
Document 2: Arnold Rothstein: Arnold Rothstein (January 17, 1882 - November 6, 1928) nicknamed "the Brain", was a Jewish-American racketeer, businessman and gambler who became a kingpin of the Jewish mob in New York City. Rothstein was widely reputed to have organized corruption in professional athletics, including conspiring to fix the 1919 World Series.
Document 3: A Serious Man: A Serious Man is a 2009 black comedy-drama film written, produced, edited and directed by Joel and Ethan Coen. The film stars Michael Stuhlbarg as a Minnesota Jewish man whose life crumbles both professionally and personally, leading him to questions about his faith.
Document 4: John Slattery: John M. Slattery Jr. (born August 13, 1962) is an American actor and director. He is best known for his role as Roger Sterling in the AMC drama series "Mad Men" and for his role as Howard Stark in cameo appearances in the Marvel Cinematic Universe films "Iron Man 2", "Ant-Man", and "". He has received four Primetime Emmy Awards nominations and two Critics' Choice Television Awards for "Mad Men". He was also part of the "Mad Men" ensemble cast that won two SAG Awards.
Document 5: Corey Stoll: Corey Daniel Stoll (born March 14, 1976) is an American actor. He is known for his role as Dr. Ephraim Goodweather on the American television horror/suspense series "The Strain" on the FX network, as well as Congressman Peter Russo in "House of Cards", for which he received a Golden Globe nomination in 2013. He was a regular cast member on the NBC drama series "" (2010–2011), and portrayed Darren Cross (also known as Yellowjacket) in the Marvel Cinematic Universe film "Ant-Man". Other notable roles include a 2004 Off-Broadway performance of "Intimate Apparel", portraying Ernest Hemingway in the 2011 romantic comedy film "Midnight in Paris" and bulldog prosecutor Fred Wyshak in "Black Mass".
Document 6: Waxey Gordon: Waxey Gordon (born Irving Wexler; January 19, 1888 – June 24, 1952) was an American gangster who specialized in bootlegging and illegal gambling. An associate of Arnold Rothstein during prohibition, he was caught up in a power struggle following Rothstein's death. Fellow Rothstein associates Charles Luciano and Meyer Lansky provided authorities with evidence that led to his imprisonment for ten years.
Document 7: Legs Diamond: Jack "Legs" Diamond (born John Thomas Diamond (Disputed); July 10, 1897 – December 18, 1931), also known as Gentleman Jack, was an Irish American gangster in Philadelphia and New York City during the Prohibition era. A bootlegger and close associate of gambler Arnold Rothstein, Diamond survived a number of attempts on his life between 1916 and 1931, causing him to be known as the "clay pigeon of the underworld". In 1930, Diamond's nemesis Dutch Schultz remarked to his own gang, "Ain't there nobody that can shoot this guy so he don't bounce back?"
Document 8: Mark Ruffalo: Mark Alan Ruffalo ( , born November 22, 1967) is an American actor, filmmaker, and social activist. He made his screen debut in an episode of "CBS Summer Playhouse" (1989), followed by minor film roles. He was part of the original cast of "This Is Our Youth" (1996), for which he was nominated for an Independent Spirit Award. Following were his roles in "13 Going on 30" (2004), "Eternal Sunshine of the Spotless Mind" (2004)", Zodiac" (2007), and "What Doesn't Kill You" (2008). In 2010, he starred in the psychological thriller "Shutter Island" and the comedy-drama "The Kids Are All Right". For the latter, he received nominations for the SAG Award, BAFTA Award, and an Academy Award for Best Supporting Actor. He also co-starred in the mystery films "Now You See Me" and "Now You See Me 2" as FBI Special Agent Dylan Rhodes.
Document 9: Michael Stuhlbarg: Michael Stuhlbarg ( ; born July 5, 1968) is an American actor. He played troubled university professor Larry Gopnik in the 2009 dark comedy film "A Serious Man", organized-crime boss Arnold Rothstein in the HBO television series "Boardwalk Empire" (2010–2013), René Tabard in "Hugo" (2011), Griffin in "Men in Black 3" (2012), Dr. Flicker in "Blue Jasmine" (2013), Edward G. Robinson in "Trumbo" (2015), computer scientist and inventor Andy Hertzfeld in the biopic "Steve Jobs" (2015), and Nicodemus West in superhero film "Doctor Strange" (2016).
Document 10: Michael Moriarty: Michael Moriarty (born April 5, 1941) is an American-Canadian stage and screen actor and a jazz musician. He received an Emmy Award and Golden Globe Award for his first acting role on American television as a Nazi SS officer in the 1978 mini-series "Holocaust", and he played Executive Assistant District Attorney Benjamin Stone for the first four seasons (1990–1994) on the television show "Law & Order." Moriarty is also known for his roles in films such as "Bang the Drum Slowly", "Who'll Stop the Rain", "Q: The Winged Serpent", "The Stuff", "Pale Rider", "Troll", "Courage Under Fire", and "Shiloh".
Document 11: Hyman Roth: Hyman Roth (born Hyman Suchowsky; 1891 – 1960) is a fictional character and antagonist in "The Godfather Part II" and a minor character in the novel "The Godfather Returns". He is a Jewish investor and a business partner of Vito Corleone, and later his son Michael Corleone. He is based on Florida mobster Meyer Lansky and was played by Lee Strasberg in the movie.
Document 12: Saul Rubinek: Saul Rubinek (born July 2, 1948) is a German-born Canadian character actor, director, producer and playwright, known for his work in TV, film, and stage. His first roles were in the TV films "The Suicide Murders" (1985) and "Murder Sees the Light" (1986). His first film role was in "Obsessed" (1987). He had roles in notable films including "Against All Odds" (1984), Oliver Stone's "Wall Street" (1987), "The Bonfire of the Vanities" (1990), and the Academy Award-winning Western "Unforgiven" (1992). Rubinek's first play, "Terrible Advice" premiered in September 2011. He is also known for his role as Artie Nielsen in the Syfy TV series "Warehouse 13".
Document 13: Doctor Strange (2016 film): Doctor Strange is a 2016 American superhero film based on the Marvel Comics character of the same name, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. It is the fourteenth film of the Marvel Cinematic Universe (MCU). The film was directed by Scott Derrickson, who wrote it with Jon Spaihts and C. Robert Cargill, and stars Benedict Cumberbatch as Stephen Strange, along with Chiwetel Ejiofor, Rachel McAdams, Benedict Wong, Michael Stuhlbarg, Benjamin Bratt, Scott Adkins, Mads Mikkelsen, and Tilda Swinton. In "Doctor Strange", surgeon Strange learns the mystic arts after a career-ending car accident.
Document 14: Frank Rosenthal: Frank Lawrence "Lefty" Rosenthal (June 12, 1929 – October 13, 2008) was a professional sports better, former Las Vegas casino executive, and organized crime associate. Martin Scorsese's film "Casino" (1995) is based on his career in Las Vegas.
Document 15: Titanic Thompson: Alvin Clarence Thomas (November 30, 1893 – May 19, 1974) was an American gambler, golfer and hustler better known as Titanic Thompson. He was a major witness at the 1929 Arnold Rothstein murder trial in New York City.
ground_truth: Jewish-American racketeer