She is on left on stage
Tattletales (June 1974): Elena Verdugo/Bob Crane/Fabian
https://www.youtube.com/watch?v=WDh-HmVN28o
Marcus Welby was not my favorite show back then, but I do remember Consuelo. A very nice lady, back when a distinctive American culture was depicted on TV shows.
R.I.P. Elena Verdugo.