Question: What was the name of the character played by an actor from the last six Harry Potter films in the BBC television serial "The Singing Detective"?
Sentence (from "Janet Henfrey"): She is best known for playing Mrs. Bale on "As Time Goes By", which is still rerun in the United States on PBS stations, and for her role as the schoolteacher in the BBC Dennis Potter serial "The Singing Detective" (1986).
Relevant evidence: No