Continuity mistake: After the song "Tomorrow" Bugsy and Blousey are in the cafe. Blousey has a drink and it has two straws and one spoon. The spoon keeps disappearing.
Continuity mistake: John Norman (Kris Kristofferson) and Esther Hoffman (Barbra Streisand) are sitting at the table talking. John opens a bottle of wine and every time the shot faces John the cap is on, but when the shot faces Esther the cap is off, over and over again.
Continuity mistake: When Cinderella is running away after losing her slipper, she lifts her skirt, and she is wearing only stockings. In the next scene when she is singing a reprise of "He Danced With Me", she starts dancing, and she is wearing her normal shoes.