âThe [quad] screen is a screening test,â says Lyon. âThe most important thing to understand specifically about the screen is that it has an inordinately high false-positive rate, meaning it often shows an increased chance, when in fact, absolutely everything is all right.â.
Polly Holliday. Polly Dean Holliday (born July 2, 1937) is an American actress who has appeared on stage, television and in film. She is best known for her portrayal of sassy waitress Florence Jean Flo Castleberry on the 1970s sitcom Alice, which she reprised in its short-lived spinoff, Flo. Contents.
Alice Trivia. Actress Diane Ladd played the part of Flo in the movie. Then, in the middle of the fourth season, she joined the cast of Alice as the character Belle Dupree. That character replaced Flo when Polly Holliday left Alice to  spin-off  her own series, the  Flo TV Show . In the movie, the diner was named, Mel and Ruby's Diner.