Question: Get Carter starred which Scottish-American actor and activist?

Context paragraphs:
Lucius Vorenus (Rome character): Lucius Vorenus is a semi-fictional character in the British-Italian-American historical drama television series "Rome", a show about the fall of the Roman Republic and the rise of the Roman Empire.  Played by Scottish-American actor Kevin McKidd in the series, Lucius Vorenus is introduced as a main character in the pilot episode, "The Stolen Eagle".  He is depicted as a staunch, traditional, Roman soldier, who struggles to balance his personal beliefs, his duty to his superiors, and the needs of his family and friends.

Harrison Hunter: Harrison Hunter (1870 – January 2, 1923) was a Scottish-American actor.  Hunter was born to Scottish parents who were visiting Nashville, Tennessee.  His parents took him back to Scotland; he was raised in the United Kingdom and began his acting career there.  He married actress Sidney Crowe.  In 1892 they had a daughter, who later performed under the name Leah Bateman.  Hunter returned to the United States in 1899 as a member of the theatrical company of Olga Nethersole.  He stayed and purchased a farm in Brookfield, Massachusetts.

Get Carter: Get Carter is a 1971 British crime film directed by Mike Hodges and starring Michael Caine, Ian Hendry, Britt Ekland, John Osborne and Bryan Mosley.  The screenplay was adapted by Hodges from Ted Lewis's 1969 novel "Jack's Return Home".  Producer Michael Klinger optioned the book and made a deal for the ailing Metro-Goldwyn-Mayer (MGM) studio to finance and release the film, bringing in Hodges and Caine.  Caine became a co-producer of the film.  "Get Carter" was Hodges' first feature film as director, as well as being the screen debut of Alun Armstrong.  MGM was scaling back its European operations and the film became the last project approved before the American company closed its Borehamwood studios.  The film is set in north-east England and was filmed in and around Newcastle upon Tyne, Gateshead and County Durham.

Alan Cumming: Alan Cumming, OBE (born 27 January 1965), is a Scottish-American actor, singer/performer, author, and activist who has appeared in numerous films, television shows, and plays.  His London stage appearances include "Hamlet", the Maniac in "Accidental Death of an Anarchist" (for which he received an Olivier Award), the lead in "Bent", and the National Theatre of Scotland's "The Bacchae".  On Broadway, he has appeared in "The Threepenny Opera", as the master of ceremonies in "Cabaret" (for which he won a Tony Award), "Design for Living" and a one-man adaptation of "Macbeth".  His best-known film roles include his performances in "Emma", "GoldenEye", the "Spy Kids" trilogy, "Son of the Mask," and "X2".  Cumming also introduces "Masterpiece Mystery! " for PBS and appeared on "The Good Wife", for which he has been nominated for three Primetime Emmy Awards, two Screen Actors Guild Awards, two Golden Globe Awards and a Satellite Award.  A filming of his Las Vegas cabaret show, "Alan Cumming Sings Sappy Songs", aired on PBS stations in November 2016.

Alan Cumming filmography: The following is the filmography for Scottish-American actor, director, producer, writer Alan Cumming.

Jack's Return Home: Jack's Return Home is a 1970 novel by British writer Ted Lewis.  An uncompromising novel of a brutal half-world of pool halls, massage parlours and teenage pornography, it was memorably adapted into the cult film "Get Carter", starring Michael Caine as Jack Carter.  The novel starkly portrays a subsection of society living on the borderline between crime and respectability.  The book was a major influence on the noir school of English crime fiction.

Get Carter (2000 film): Get Carter is a 2000 American thriller film, a remake of the classic Michael Caine 1971 film of the same name, directed by Stephen Kay, and stars Sylvester Stallone, Miranda Richardson, Rachael Leigh Cook, Alan Cumming, Mickey Rourke, John C. McGinley, Michael Caine and Rhona Mitra.

John Barrowman: John Scot Barrowman, {'1': ", '2': ", '3': ", '4': "} (born 11 March 1967), is a Scottish-American actor, singer, dancer, presenter and writer, who holds both British and American citizenship.  Born in Glasgow, Scotland, he moved to the United States with his family in 1975.  Encouraged by his high school teachers, Barrowman studied performing arts at the United States International University in San Diego before landing the role of Billy Crocker in Cole Porter's "Anything Goes" at London's West End.

Louis Payne: Louis Payne, also known as Lou Payne (January 13, 1873 – August 14, 1954), was an American character actor of the silent and sound film eras, as well as legitimate theater.  His acting life began on Broadway in the first decade of the 1900s, when he would appear in the Broadway play, "Her Majesty, the Girl Queen of Nordenmark", which ran at the Manhattan Theatre in 1900.  In 1906, he married famous stage actress Mrs. Leslie Carter, fifteen years her junior, and would remain married to her until her death in 1937.  He would make his film debut in 1915's "DuBarry", which was a film created to highlight Carter, who was a protégé of the playwright David Belasco.  Belasco wrote the stage play of the same name on which the film is based, and in which Carter starred on Broadway.  Payne would appear in over 40 films during his 35 career in Hollywood, as well as doing numerous plays.

Steve Valentine: Steve Valentine (born 26 October 1966) is a Scottish-American actor, musician, and magician who has performed on stage and screen but who is best known for his role as the eccentric Nigel Townsend on NBC's crime drama "Crossing Jordan" and as Harry Flynn in the critically acclaimed PlayStation 3 game "" as well as the voice of Alistair in BioWare's "Dragon Age" franchise.  He also starred in the Disney XD sitcom "I'm in the Band" as Derek Jupiter until its 2011 cancellation.

Supporting paragraphs: Get Carter (2000 film) Alan Cumming
Answer: Alan Cumming