Continuity mistake: When Barbra Streisand meets Robert Redford on the street at the end of the film, the camera shoots her from behind and her coat collar is standing up. When the angle shifts to the front, her collar is neatly in place.
Continuity mistake: After Hubell and Katie's last embrace on the street with her hand on the back of his head, she pulls away and, in doing so, she flattens the collar of his trench coat. Then there is a cut to him from the front, and his collar is standing up.
Audio problem: When Katie and Hubbel are meeting up with the group after the death of President Roosevelt, she makes a comment about meeting up every 5 years, shortly after that, she says to Hubbel "what are we doing here?" you will notice that her lip movements don't match what she's saying.
Answer: Suzanne Zenor. She was a working actress during the 1970's and 80's. She was always the sexy blonde.