The crossword solutions for the term AS TIME GOES BY REQUESTER are ILSA (4 letters) and SENTRY (6 letters). ILSA is a reference to the character Ilsa Lund from the 1942 film Casablanca. She is a woman who is torn between her love for Rick Blaine, played by Humphrey Bogart, and her duty to help her husband, Victor Laszlo, escape from the Nazis. SENTRY is a reference to the sentries that guard the entrance to Rick's Cafe Americain in the film. They are responsible for keeping out anyone who is not allowed in the establishment.