Question: Which of the actors starred in "A Southern Yankee" is an American actress and former Metro-Goldwyn-Mayer contract star, who achieved notability during the 1950s?

full_context: Document 1: Taryn Power: Taryn Stephanie Power (born September 13, 1953) is an American actress and the younger daughter of the actor Tyrone Power and his second wife, Mexican actress Linda Christian.
Document 2: Elizabeth Taylor: Dame Elizabeth Rosemond Taylor, DBE (February 27, 1932 – March 23, 2011) was a British-American actress, businesswoman, and humanitarian. She began her career as a child actress in the early 1940s, and was one of the most popular stars of classical Hollywood cinema in the 1950s. She continued her career successfully into the 1960s, and remained a well known public figure for the rest of her life. In 1999, the American Film Institute named her the seventh-greatest female screen legend.
Document 3: Edward Sedgwick: Edward Sedgwick (November 7, 1889 – March 7, 1953) was an American film director, writer, actor and producer.
Document 4: George Washington Slept Here: George Washington Slept Here is a 1942 comedy film starring Jack Benny and Ann Sheridan. It was based on the 1940 play of the same name by Moss Hart and George S. Kaufman, adapted by Everett Freeman, and was directed by William Keighley. The film also starred Hattie McDaniel, the first black woman to ever win an Academy Award.
Document 5: Pamela Hensley: Pamela Hensley (born October 3, 1950) is an American actress and author. She is best known for playing Princess Ardala on the 1979–1981 television series "Buck Rogers in the 25th Century" and C.J. Parsons on the 1982–1985 television series "Matt Houston".
Document 6: Arlene Francis: Arlene Francis (born Arline Francis Kazanjian; October 20, 1907 – May 31, 2001) was an American actress, radio and television talk show host, and game show panelist. She is known for her long-standing role as a panelist on the television game show " What's My Line?", on which she regularly appeared for 25 years, from 1950 through the mid-1970s, on both the network and syndicated versions of the show.
Document 7: Linda Darnell: Linda Darnell (born Monetta Eloyse Darnell, October 16, 1923April 10, 1965) was an American film actress. Darnell progressed from modeling as a child to acting in theater and film as an adolescent. At the encouragement of her mother, she made her first film in 1939, and appeared in supporting roles in big-budget films for 20th Century Fox throughout the 1940s. She rose to fame with co-starring roles opposite Tyrone Power in adventure films, and established a main character career after her role in "Forever Amber" (1947). She won critical acclaim for her work in "Unfaithfully Yours" (1948) and "A Letter to Three Wives" (1949).
Document 8: Laraine Day: Laraine Day (October 13, 1920 – November 10, 2007) was an American actress and a former Metro-Goldwyn-Mayer contract star. As a leading lady in her day, she was paired opposite major film stars including Lana Turner, Cary Grant, and John Wayne.
Document 9: Ronnie Schell: Ronald Ralph "Ronnie" Schell (born December 23, 1931) is an American actor, stand-up comedian, and voice actor. He appeared on May 28, 1959, episode of the TV quiz program "You Bet Your Life", hosted by Groucho Marx. Schell demonstrated a comic barrage of beatnik jive talk. As a stand-up comedian, he first developed his act at the world-famous hungry-i nightclub in San Francisco, California. Schell is probably best known in his 1960s television role as Duke Slater in "Gomer Pyle, U.S.M.C."
Document 10: Panama Hattie (film): Panama Hattie is a 1942 American film produced by Arthur Freed and directed by Norman Z. McLeod. Substantial retakes were directed by Roy Del Ruth with choreography by Danny Dare and musical numbers staged by Vincente Minnelli. The film used only four of Porter's songs and substituted other songs. The cast featured Red Skelton as Red, Ann Sothern as Hattie Maloney, Rags Ragland as Rags, Ben Blue as Rowdy, Marsha Hunt as Leila Tree, Virginia O'Brien as Flo Foster, Alan Mowbray as Jay Jerkins, Dan Dailey as Dick Bulliard and Lena Horne as Singer in Phil's Place. Songs used in the film are as follows:
Document 11: Whistling in Dixie: Whistling in Dixie is a 1942 crime comedy film, the second of three starring Red Skelton as murder mystery writer and amateur crime solver Wally Benton (aka. The Fox) and Ann Rutherford as his fiancee. The pair are called upon to solve a crime in the American South. The film also re-introduces Rags Ragland, playing dual roles as twins, the mostly-reformed Chester, as well as his villainous brother from the first film. The film turns into a romantic comedy mystery, complete with death traps, corrupt politicians and lost gold, ending with a frenetic fight at the end between Wally Benton and both of Rags Ragland's characters.
Document 12: Abroad with Two Yanks: Abroad with Two Yanks is a 1944 American comedy film directed by Allan Dwan and starring Helen Walker, William Bendix and Dennis O'Keefe as the title characters. It was Bendix's third and final role in a film as a US Marine and the first of Dwan's three films about the United States Marine Corps.
Document 13: A Southern Yankee: A Southern Yankee (1948) is an American comedy film, directed by Edward Sedgwick, starring Red Skelton and Arlene Dahl, and released by Metro-Goldwyn-Mayer. It is also known as The Spy.
Document 14: Arlene Dahl: Arlene Carol Dahl (born August 11, 1925) is an American actress and former Metro-Goldwyn-Mayer contract star, who achieved notability during the 1950s. She has three children, the eldest of whom is actor Lorenzo Lamas.
Document 15: Pier Angeli: Pier Angeli (19 June 193210 September 1971) was an Italian-born television and film actress. Her American cinematographic debut was in the starring role of the 1951 film "Teresa", for which she won a Golden Globe Award for Young Star of the Year - Actress. She had one son with her first husband, Vic Damone, and another son with her second husband, Armando Trovajoli.
ground_truth: Arlene Dahl