In Babe Ruth, Nagata goes to his old house, which is all boarded up. Takuma says that this place has been "boarded up" for years -- a total of 28 years, actually! But I wonder, would a house just have been allowed to sit and decay like this? Aren't there zoning issues or something, or neighbors might have complained? Of course, everything inside the house, including a secret door, is exactly the same as 28 years ago.
Virginia Wing, the woman who played the daughter in the show, is still active today:
https://performingartslegacy.org/wing/
One of the WWW sites connected with her has a multi-part interview. There is also a resume of sorts which shows all the stage productions, TV shows, etc. that she has appeared in over the years on another page.
A quick look at both these things suggests she made no mention of her role in Babe Ruth...