Larry Hagman again with Eden on stage in the play "Love Letters" at the College of Staten Island in New York and the United States Military Academy, West Point, New York. The appearance marked the first time the two performers had acted together since Eden appeared with Hagman in a five-episode arc on "Dallas" in 1990. In 1978, Hagman was offered two roles on two television series that were debuting. One was for "The Waverly Wonders" and the other for "Dallas", in the role of conniving elder son and businessman J.R. Ewing. When Hagman read the "Dallas" script at his wife's suggestion,
Larry Hagman the chairman of the American Cancer Society's annual Great American Smokeout for many years and also worked on behalf of the National Kidney Foundation. After attending a soccer game in Bucharest between FC Steaua București and West Ham United, he became a well-known fan of the Romanian team. In 2001, Hagman wrote his autobiography titled "Hello Darlin': Tall (and Absolutely True) Tales About My Life". In a 2007 interview, Hagman discussed his support for alternative energy. On a 2008 episode of "Living With Ed", Hagman and his wife showed actor Ed Begley Jr. their solar powered, super energy efficient home