Question: Which American actor born in 1950 plays a supporting role in the movie Syriana?
Context: Jeff Dumas (born June 28, 1971) is an American actor.  Most recently, he made his Lyric Opera of Chicago debut as Njegus in "The Merry Widow", directed by Gary Griffin.  Prior to that, he was seen as Patsy in the first US national tour of "Monty Python's Spamalot", for which he received the 2007 Helen Hayes Award as Actor in a Supporting Role.  A Chicago actor for more than 15 years, his credits include several World Premieres including Stephen Sondheim's "Bounce", directed by Harold Prince at the Goodman Theatre and The Kennedy Center (Original Cast Recording), "The House of Martin Guerre" at the Goodman Theatre, Kid Twist in David Bell's "Bowery Boys" at The Marriott Theatre as well as Joe Welling and Enoch Robinson in "Winesburg, Ohio" at Steppenwolf for which he received the 2004 Joseph Jefferson Award as Actor in a Supporting Role.  His other credits include the original Chicago cast of "Wicked" at the Ford Center - Oriental Theatre, Nicely-Nicely Johnson in "Guys and Dolls" at Court Theatre, Sancho Panza in "The Man of La Mancha" at Light Opera Works, "Sunday in the Park With George and the nationally acclaimed "Pacific Overtures" at Chicago Shakespeare Theatre.  Additional credits: "Light up the Sky" (Goodman) and Gus Fielding in "Babes in Arms" and Taxi Black in "One Touch of Venus (Ovations!  at the Auditorium Theatre).  Regionally, he has appeared as Seymour Krelborn in "Little Shop of Horrors" at Madison Repertory Theatre and Robert Benchley in the world premiere of "At Wit's End" at Florida Stage.  He resides in Chicago with his wife, Ali Wayer, and their cats, Clark & Olive. William McChord Hurt (born March 20, 1950) is an American actor.  He received his acting training at the Juilliard School and began acting on stage in the 1970s.  Hurt made his film debut in 1980 as a troubled scientist in Ken Russell's science-fiction feature "Altered States", for which he received a Golden Globe nomination for New Star of the Year.  He subsequently played a leading role, as a lawyer who succumbs to the temptations of Kathleen Turner, in the neo-noir "Body Heat" (1981), and, as Arkady Renko, in Gorky Park (1983). Derek Royle (7 September 1928 – 23 January 1990) was a British actor born in London, England.  His face was probably better known than his name to British viewers, but he acted in films and TV from the mid-1960s until his death.  He had a supporting role in the Beatles' film "Magical Mystery Tour" in 1967, as well as a minor one with Cilla Black in the film "Work Is a Four-Letter Word" a year later.  Most of his film appearances were in comedy films such as "Don't Just Lie There, Say Something! " (1973), "Tiffany Jones" (1973) and "Confessions of a Sex Maniac" (1974). Kenneth "Ken" Londoner (born January 16, 1978) is an American actor born in New Jersey.  He is best known for portraying Wince in The Supernatural Enthusiasts Club and for his lead role in the movie Thinner.  In addition, he appeared in several other TV series projects and off-Broadway shows. Syriana is a 2005 American geopolitical thriller film written and directed by Stephen Gaghan, and executive produced by George Clooney, who also stars in the film with an ensemble cast.  Gaghan's screenplay is loosely adapted from Robert Baer's memoir "See No Evil".  The film focuses on petroleum politics and the global influence of the oil industry, whose political, economic, legal, and social effects are experienced by a Central Intelligence Agency operative (George Clooney), an energy analyst (Matt Damon), a Washington, D.C. attorney (Jeffrey Wright), and a young unemployed Pakistani migrant worker (Mazhar Munir) in an Arab state in the Persian Gulf.  The film also features an extensive supporting cast including Amanda Peet, Tim Blake Nelson, Mark Strong, Alexander Siddig, Amr Waked, and Academy Award winners Christopher Plummer, Chris Cooper and William Hurt. Charles Kemper (September 6, 1900 – May 12, 1950) was an American character actor born in Oklahoma.  The heavy-set actor was for decades a successful stage actor.  He made only sporadic screen appearances until 1945, when he settled in Hollywood.  Kemper had memorable supporting roles in films including "The Southerner" (1945), "Scarlet Street" (1945), "Gallant Journey" (1946), "The Shocking Miss Pilgrim" (1947), and the film noir "On Dangerous Ground" (as Pop Daly, his last film role). Bob Frazer (born 1971) is an award winning actor, born in Ontario.  He currently lives in British Columbia.  He has appeared in many roles both on stage and in television, and has won multiple Jessie Richardson Theatre Awards, including: "Outstanding Performance by an Actor in a Leading Role" (2005–2006) for his role in "Hamlet", "Outstanding Performance by an Actor in a Supporting Role" (2005–2006) for his role in "Prodigal Son", and won for "Significant Artistic Achievement" (2003–2004).  He has also been a nominee over ten times including "Outstanding Performance by an Actor in a Supporting Role" (2003–2004) for "The Glass Menagerie"; Iago in Shakespeare's "Othello"; and as Antipholus of Ephesus in "Comedy of Errors" during the 2009 season of Bard on the Beach. The Bodil Award for Best Actor in a Supporting Role (Danish: "Bodilprisen for bedste mandlige birolle" ) is one of the merit categories presented by the Danish Film Critics Association at the annual Bodil Awards.  Created in 1948, it is one of the oldest film awards in Europe, and it honours the best performance by an actor in a supporting role in a Danish produced film.  The jury can decide not to hand out the award, which happened numerous times between 1950 and 1985.  Since 1986 it has been awarded every year. Jocelyn Quivrin (14 February 1979 – 15 November 2009) was a French actor.  He had a supporting role in the critically acclaimed film "Syriana". Paul Dillon is an American actor born in Joliet, Illinois who began his career in show business in Chicago.  His movie career began in 1994 with the movie "Blink" in which he played the role of Neal Booker.  He played Paddy O'Brien in "", the most successful film in which he has a credited role.
Answer: William Hurt