The actors who played Dan Fielding's parents, John McIntire and Jeanette Nolan, were married to each other for more than 55 years.
Dan's real name is "Reinhold Fielding Elmore". He changed it to "Daniel Fielding" when he went to law school because he was embarrassed by his rural roots.
The real life couple, John McIntire and Jeanette Nolan, playing Dan's parents, acted as a married couple several times. Their most notable roles as husband and wife were Clay and Holly Grainger, the owners of Shilo Ranch on the 1960's TV series, The Virginian (1962).