Question: Who was the director of the 1956 western film starring the American actor who played Palmer Cortland on "All My Children"?

full_context: Document 1: The Peacemaker (1956 film): The Peacemaker (1956) is a western film directed by Ted Post and starring James Mitchell, Rosemarie Bowe, and Jan Merlin. Hal Richards based the script on the novel of the same name by Richard Poole.
Document 2: The Postman (film): The Postman is a 1997 American epic post-apocalyptic adventure film. It is directed by, produced by, and stars Kevin Costner, with the screenplay written by Eric Roth and Brian Helgeland, based on David Brin's 1985 book of the same name. The film also features Will Patton, Larenz Tate, Olivia Williams, James Russo, and Tom Petty.
Document 3: Seven Men from Now: Seven Men from Now is a 1956 Western film directed by Budd Boetticher and starring Randolph Scott, Gail Russell, and Lee Marvin. The film was written by Burt Kennedy and produced by John Wayne's Batjac Productions.
Document 4: Monte Walsh (1970 film): Monte Walsh is a 1970 film directed by cinematographer William A. Fraker. His directorial debut, it stars Lee Marvin, Jeanne Moreau and Jack Palance. The name "Monte Walsh" is taken from the title of a 1963 western novel by Jack Schaefer, but the film has little to do with the plot of Schaefer's book. The film was set in Harmony, Arizona. A made-for-TV remake was set in Wyoming and directed by Simon Wincer, with Tom Selleck and Isabella Rossellini playing the parts of Monte and Martine. The story has elements of a tragedy. The song played over the opening credits is "The Good Times Are Comin' " by Mama Cass, with music and lyrics by John Barry and Hal David.
Document 5: Gower Champion: Gower Carlyle Champion (June 22, 1919 – August 25, 1980) was an American actor, theatre director, choreographer, and dancer.
Document 6: Mikhail Baryshnikov: Mikhail Nikolayevich Baryshnikov (Russian: Михаи́л Никола́евич Бары́шников , Latvian: "Mihails Barišņikovs" ; born January 27, 1948), nicknamed "Misha" (Russian diminutive of the name "Mikhail"), is a Soviet and American dancer, choreographer, and actor.
Document 7: Way of the Peaceful Warrior: Way of the Peaceful Warrior is a part-fictional, part-autobiographical book based upon the early life of the author Dan Millman. The book has been a bestseller in many countries since its first publication in 1980. The book initially had only modest sales, before Hal Kramer came out of retirement to republish the book, from the H. J. Kramer imprint of New World Library. In early 2006, a film based on the novel, "Peaceful Warrior", was released.
Document 8: James T. Lane: James T. Lane (born December 25, 1977) is an American actor and dancer. He made his Broadway debut with the 2006 revival of "A Chorus Line", playing Richie Walters. After that, Lane joined the cast of "Chicago: The Musical", playing the role of Aaron and Amos. Other credits include an episode on "One Life to Live" as a James Brown impersonator. Lane was last been seen on Broadway in "The Scottsboro Boys", playing the roles of Ozie Powell and Ruby Bates. In 2013, Lane reprised his "A Chorus Line" role in The West End.
Document 9: Palmer Cortlandt: Palmer Cortlandt is a fictional character on the long-running ABC soap opera "All My Children", played by James Mitchell from 1979 to 2010. A major character until 2002, when health issues forced him to reduce his work load, Mitchell continued to appear regularly on the show through May 2007. Mitchell appeared in a handful of episodes throughout 2008, last appearing on September 19, 2008. Mitchell retired from acting in 2009 but made a final on air cameo appearance as Palmer Cortlandt on January 5, 2010 to celebrate the show's 40th anniversary.
Document 10: James Mitchell (actor): James Mitchell (February 29, 1920 – January 22, 2010) was an American actor and dancer. Although he is best known to television audiences as Palmer Cortlandt on the soap opera "All My Children" (1979–2010), theatre and dance historians remember him as one of Agnes de Mille's leading dancers. Mitchell's skill at combining dance and acting was considered something of a novelty; in 1959, the critic Olga Maynard singled him out as "an important example of the new dancer-actor-singer in American ballet", pointing to his interpretive abilities and "masculine" technique.
Document 11: The Post (film): The Post is an upcoming historical drama film directed and co-produced by Steven Spielberg from a script written by Liz Hannah and Josh Singer and starring Tom Hanks and Meryl Streep.
Document 12: Hud (1963 film): Hud is a 1963 Western film directed by Martin Ritt and starring Paul Newman, Melvyn Douglas and Patricia Neal. It was produced by Ritt and Newman's recently founded company, Salem Productions, and was their first film for Paramount Pictures. "Hud" was filmed on location on the Texas Panhandle, including Claude, Texas. Its screenplay was by Irving Ravetch and Harriet Frank, Jr. and was based on Larry McMurtry's 1961 novel, "Horseman, Pass By". The film's title character, Hud Bannon, was a minor character in the original screenplay but was reworked as the lead role. With its main character an antihero, "Hud" was later described as a revisionist Western.
Document 13: Duel at Diablo: Duel at Diablo is a 1966 western film starring James Garner in his first Western since leaving "Maverick" and Sidney Poitier in his first Western. Based on Marvin H. Albert's 1957 novel "Apache Rising", the film was written by Albert and Michael M. Grilikhes and directed by Ralph Nelson who had directed Poitier in "Lilies of the Field". The supporting cast includes Bibi Andersson, Bill Travers, Dennis Weaver and John Hoyt; Ralph Nelson has a cameo as an Army Major. The movie was shot on location amidst striking scenery in Utah; the musical score was composed by Neal Hefti.
Document 14: Fred Astaire: Fred Astaire (born Frederick Austerlitz; May 10, 1899 – June 22, 1987) was an American dancer, singer, actor, choreographer and television presenter.
Document 15: Richard Thomas (dancer): Richard Scott Thomas (December 3, 1925 – July 27, 2013) was an American dancer, educator, and co-founder of the New York School of Ballet along with his wife Barbara Fallis. He is known as a teacher of Eliot Feld and Twyla Tharp
ground_truth: Ted Post