Dad's Army Zealand in 2004–05, starring Jon English. Several sections of this stage show were filmed and have subsequently been included as extras on the final "Dad's Army" DVD. In April 2007, a new stage show was announced with cast members including Leslie Grantham as Private Walker and "Emmerdale" actor Peter Martin as Captain Mainwaring. The production contained the episodes "A Stripe for Frazer", "The Loneliness of the Long Distance Walker", "Room at the Bottom" and "The Deadly Attachment". Many of the TV episodes were remade for BBC Radio 4 with the original cast, although other actors played Walker after James Beck’s
Sam S. Walker offered Walker assignment as chief of staff for the United States European Command, a three-star position. Walker declined this post, and opted to retire. At the end of his assignment in Turkey, he was awarded the Defense Distinguished Service Medal and the Turkish Armed Forces Medal of Distinguished Service. After retiring from the Army, Walker was the superintendent of the Virginia Military Institute in Lexington, Virginia, from 1981 to 1988. He has also served as a board member of the Advisory Council of the U.S.-Korea Foundation, the Council on U.S.-Korea Security Studies, the National D-Day Museum, and the American Friends