Mark Landon, the oldest son of deceased actor Michael Landon has died. Mark had done a few acting roles to his credit.
http://tv.msn.com/tv/article.aspx?news=408525>1=28103
http://us.imdb.com/name/nm0484935/
His father, Michael Landon, who died sometime around 1991, was a mega star and had played many beloved roles on the TV screen, etc., including the following roles: * Joe on "Bonanza", Pa Ingalls on "Little House On The Prairie", Jonathan Smith on "Highway To Heaven", and more.
http://us.imdb.com/name/nm0001446/
Condolences to the Landon Family.