The city of Mansfield plans to hold a celebration on Labor Day weekend of the 20th anniversary of the filming of the movie "The Shawshank Redemption" at the Ohio State Reformatory. The celebration will include special events and site tours in Mansfield, Ashland and Upper Sandusky showcasing locations used in the film. Those include the Reformatory and the oak tree at Malabar Farm. Several actors are expected to attend, including Bob Gunton, who played the warden. The Renaissance Theatre in Mansfield plans to restage the film's 1994 premier on August 30th.