Ilsa is the requester of 'As Time Goes By'. She is a character from the 1942 movie 'CASABLANCA', played by Ingrid Bergman. Ilsa is a Czech Resistance leader who is married to Victor Laszlo, another Resistance leader. She and her husband are trying to escape from CASABLANCA, but she is torn between her love for him and her love for Rick Blaine, an American expatriate. In the end, she chooses to stay with her husband and they leave CASABLANCA together.