Gertrude Flynn
From The Arthur Conan Doyle Encyclopedia

Gertrude Flynn (14 january 1909 - 16 october 1996) was an American actress who played Maggie Blake in 1954 in the episode The Case of the Belligerent Ghost of the TV series Sherlock Holmes with Ronald Howard as Sherlock Holmes.
TV
- 1954 : Sherlock Holmes: The Case of the Belligerent Ghost (as Maggie Blake)