Anachronismus: The typewriter around the corner from Frank Whitaker's office is a late-model Selectric (circa 1971 at the earliest).
Anachronismus: Ramped street curbs (dropped curbs) did not become common until long after the 1950s.
Anachronismus: In the opening scene, the parking meters are modern, digital ones. One of them has expired and is flashing.
Abfolgefehler: Fall scenes (football, fallen leaves on railroad tracks) with flowering vines and newly opened apple blossoms
Faktische Fehler: Flowers don't bloom outdoors in Connecticut in February, nor do trees flower in early March.
Anachronismus: The Tupperware container Cathy brings to Frank's office is a post '62 color and style.
Abfolgefehler: At the Art Exhibition, the art critic's brochure is alternately in one hand/both hands between shots.
Abfolgefehler: When Cathy is shown from behind ascending the stairs into Dr. Bowman's building, she has a hat pin in her hat. When she is shown leaving the building after her husband's appointment, there is no hat pin.
Abfolgefehler: At the dinner table, young David Whitaker's hand is on the table holding his glass of milk, and in a subsequent shot his arm is by his side.
Abfolgefehler: In the last scene when Cathy goes to the train station, the car is parked in one spot when she goes inside. When she comes out, it is in a different spot, but when she pulls away it is back in the original spot.
Abfolgefehler: Coming out of the theater from watching "The Three Faces of Eve", Frank enters the movie theater lobby with his overcoat over his arm. He turns as a man climbs the stairs. Frank turns back and he is wearing the overcoat.
Anachronismus: A secretary is heard answering the phone with, "How may I direct your call?" According to a viewer who worked as a secretary during the period, this phrase was not used by secretaries in the '50s.
Abfolgefehler: When Cathy is talking with Eleanor about Cathy's bruise, Cathy changes position between shots.
Abfolgefehler: When Cathy and Raymond are talking outside the big gray building, at one stage the wind is blowing fiercely, making Cathy's hair all messed. It then appears to be perfect again, while the sound indicates that the wind is still blowing. Her hair then changes between messed up and perfect a few more times.
Abfolgefehler: At the end of the movie it is nearly spring, but you can see autumn leaves on the railroad track.
Abfolgefehler: On the train station, when the train is leaving, a woman in purple walks between Cathy and the train. Next shot, the woman is gone.
Abfolgefehler: When Cathy and Frank are in the psychiatrist's office, there is a glass of water on the desk. The glass alternates between full and empty several times between shots.
Anachronismus: When Cathy enters her husband's office suite to surprise him with dinner, the door has an '80s-style push-plate on the other side of the bar-handle Cathy uses.
Geographische Fehler: The afternoon/evening scene, supposed to be set in Miami, shows the sun setting (or low in the sky) off the beach. Every beach around/near faces to the east on the Atlantic ocean.
Anachronismus: The date is established as October, 1957, however, there are an awful lot of 1958 cars around. More than would have been on the road so early in the '58 model year. Also: the shot of the quaint town square shows a 1958 Chevrolet Bel Air police car - with all the top trim level chrome clearly evident. Public agencies buy the cheap version, which, in this case, should have been a Del Ray.
Anachronismus: The IBM Selectric typewriter seen in the Magnotronics office were first introduced in 1961.
Anachronismus: At the station there is a yellow line about 18 inches from the edge of the platform. This wasn't introduced until the 1980s.
Abfolgefehler: Sitting poolside in Miami, Cathy shoves a copy of Cosmpolitan magazine in her bag; in next shot, magazine has flip-flopped upside down.
Abfolgefehler: The positions of the phone, phone directory and NAACP brochure change positions on the table.