In 2015, David Selby was a part of LA Theatre Works' audio drama production of
Judgment at Nuremberg as Col. Parker. To mark the 75th anniversary of the liberation of Auschwitz, LA Theatre Works presented the play on public radio stations and it is available to listen to on-demand for free through Friday, January 17.
You can listen at
https://latw.org/broadcasts.
For more information about the production, you can read
this article from
Broadway World.