At 33:35 while Phyllis is telling Casey what had happened the night before, Belinda Lee's lipstick suddenly appears darker.
Torwards the end (1 hr 20 min) Belinda Lee's (Phyllis) hair appears to be a shade or two lighter in color.
In the apartment, Phyllis has her dress off the shoulder. The camera cuts quickly to a slightly different angle, and now it's on the shoulder.
Mrs. Alicia Brunner says to Casey that he "inferred he had married daughter." She meant "implied."