Ben tells Lucy his grandfather came to Hollywood from Indiana in the 1920s to marry Ruby Keeler. Keeler's first film wasn't until 1930. From 1924 to 1929 Keeler worked exclusively on Broadway in New York City.
As Kim heads out the kitchen door and Lucy primps at the mirror on the landing waiting for her date to arrive, the shadow of a camera or a crew member moves across the stereo and banister.