Erica orders white wine at the bar. She is given red wine and sips it. When she joins friends at their table, her wine is white.
During Erica's second visit to Tanya, the plants behind Erica change places with each shot. For straight ahead shots of only Erica, the small cactus is on the right. In angled shots, showing both women, the small cactus is on the left.
During a scene when Jill Clayburgh is jogging, a square-shaped recording device is clearly seen underneath her brown sweater at the back of her waist.
The boom is clearly visible for several seconds during the art gallery scene.