I think this is that documentary referred to in my last post...
I haven’t watched it yet.
___________
“For 30 years [Connie] Booth declined to talk about Fawlty Towers until she agreed to participate in a documentary about the series for the digital channel Gold in 2009.[5] ...” —Wikipedia
Fawlty Towers - Re-Opened (90 min)
https://www.youtube.com/watch?v=Mw-bLS_th_U
“[Connie] Booth’s father was a Wall Street stockbroker and her mother an actress. They moved to New York State after Connie’s birth in Indianapolis, Indiana.[4][6]
Booth entered acting and worked as a Broadway understudy and waitress, meeting John Cleese while he was working in New York City.[6] She married Cleese on February 20, 1968.[7]”
https://en.wikipedia.org/wiki/Connie_Booth#Early_life