The son of Clyde Ira Selby and Sarah E. McIntyre Selby, he went to West Virginia University in the town of his birth, getting him a Bachelor of Science and a Master's degree in theater, and after that, a Ph.D. from Southern Illinois University.
In 1998, West Virginia University gave Selby its first Life Achievement Award from the College of Creative Arts.
- "IMDB". IMDB. Retrieved June 25, 2022.
- "Like mother, like son for 'Falcon Crest' actor David Selby". The Bakersfield Californian. May 2, 2022.