Fans,
A friend pointed me to this fascinating recording of an interview with Humbert Allen Astredo taped last year:
http://www.collinsporthistoricalsociety.com/2014/03/podcast-humbert-allen-astredo.htmlPlease note that only the last 3 minutes or so of the interview has any DS material (and it's pretty limited). The one interesting fact to remark is that the character of Nicholas Blair was written FOR Humbert because he came in for an audition--for Peter Bradford, believe it or not, back in January of '68--and Dan Curtis happened to be present, and liked Humbert so much that he told the writers to create a character for him. The right opportunity didn't come along until later that year, in the Summer--but what a plum role it was.
I do not know if the interview was done with the proviso that very little of the time would be taken up with DS. Granted that Humbert's career has largely involved the theatre and some amazing roles and experiences as he describes in this, I find that entirely comprehensible.
Humbert also mentions that he knew Grayson socially before working on the show. Again, this is a pattern I've heard from others. The girl got around!
I found the interview a delightful diversion on this snowbound, bitterly cold evening here in Medford, Mass. (Former residence of Thayer David!)
G.