I'm with Husk on this one. There's a big difference between sounding good and sounding the part.
I think it's pretty outrageous that Equity would allow Waddingham to transfer, since as Besty mentioned earlier, they are basically saying that no American actress could do this part justice.
I especially can't stand the fact that they have Marin Mazzie, who is in every way ideal for the part, as a "backup" when she should have been their first choice if they were not gonna use an A-lister.
"Some people can thrive and bloom living life in a living room, that's perfect for some people of one hundred and five. But I at least gotta try, when I think of all the sights that I gotta see, all the places I gotta play, all the things that I gotta be at"