I overhear people mentioning KJS, so I think there are those who do know her from that.
As for Linda--she is phenominal. Donna is too. Those audience members who choose to stay (or have no choice) are really getting a treat without knowing it at first. I tell some of the vocally angry patrons that the understudy is phenominal. They say, "That's what you say!". After the show or at intermission, they come up to me and tell me I was right. So many people are nuts about her performance. They ask me how many times has she done it. The fact is, Linda was brilliant her first performance in the role, and like Donna, she is constantly tweaking and finding new moments.
Linda certainly has moments that seem similar to Donna's--but I suspect these are directed moments. There is quite a bit that is very much her own Ruth. The writing and direction of the character are certainly helpful, but it is Linda and Donna who ignite it in their own ways. The other ushers and I have debated who is better--we really can't decide. However, basing it off of audience response, Linda has to win over the crowd while Donna already owns much of it from the start. But by the end, both ladies are getting cheers and standing o's.
I just hope that Linda gets to be over the title from now on--she deserves it.
And, Linda, if you are reading this: THE AUDIENCE LOVES YOU! =)