Goofs

Through the porthole on the ship, the water is moving in one direction, but in the next shot, it is moving in the opposite direction.

When Marnie and Mark are first seen driving to the Rutland estate in his 1964 Lincoln Continental, the gear shift lever on the steering wheel remains in the park position.

When Mark and Marnie arrive at Marnie's mother's house, Mark's shirt is soaking wet, but after Marnie has remembered her childhood, the shirt is completely dry.

When Marnie goes to Garrett's to ride Forio, she is wearing a beige turtleneck top. Next, her top has changed to a beige tie top.

When Marnie lets red ink drop on her blouse sleeve, the spot appears elongated in the first shot. In the second shot it appears smaller and rounded.

When Marnie asks for the gun to shoot her horse, the woman of the house says she'll get her husband's pistol. She returns, however, with a revolver. Technically, a revolver is not a pistol, because it does not have a fixed chamber, but it is often thought of as one.

Obvious stunt double (different hair) when Marnie rides her horse after the hunting trip.

When Marnie is riding the horse toward the wall, at one point the projected background is stuck and motionless whilst the horse is galloping.

In the beginning, Marnie is seen walking on the train platform and in the hotel room with raven black hair, which is obviously a wig, although in the hotel room she is seen washing out the black dye and reverting back to her natural blonde hair. The black wig is much thicker than Marnie's natural hair and could not possibly have been her own hair as portrayed in the film.

The scene of all the cars parked in front of Wykwyn for the marriage is an obviously painted background.

The seaport background near Marnie's mother's home is obviously fake and a painted background.

All cars that appear in the back-projections in the street and road scenes are of an older vintage than they should be for the time of the story told.

When Mark and Marnie return home from their honeymoon, they go upstairs to their bedroom where Marnie slams the door on Mark as he's speaking... but his lips aren't moving.

During the storm, Mark leads Marnie to sit on the sofa. For a moment, Mark's lips are moving but there is no sound.

After the lightning scene when Rutland and Marnie are driving in his car, the sound of the windshield wipers moving and the timing of their shadows are simultaneous.

Before leaving Jesse says goodbye to Bernice and then immediately after as she turns to leave she says, "See you later Miss Bernice". However, her lips don't move.

The shadow of the boom mic falls on the wall of Marnie's mother's kitchen whilst she makes Jessie's pie.

At the beginning, when Marnie is in the train station, the PA announcer reads off several train stops. It doesn't make sense to go to Tampa/St. Petersburg last, since these cities are between Jacksonville and Miami, in addition to being on the other side of the state.

The want ad in the newspaper for Rutland & Co. gives its address as "213 Arley St.", but there is no such street in Philadelphia. Based on the establishing matte painting shot of the Rutland & Co building which shows the Ben Franklin Bridge (originally called the Delaware River Bridge when built in 1926) in the upper left, the "real" location of the fictional building would most likely be at either 213 Quarry Street, which is two blocks south of the bridge or 213 Arch Street, which is three blocks south.

Whenever Marnie sees the color red, she reacts with hysteria. However, when she comes back to the Rutland house from the hunt and comes down the stairs after going up to get the safe keys, the shot shows that the carpet on the staircase is red. Yet she is able to go up and down those stairs the entire time she is in that house without any reaction.

When Marnie first visits her mom, she says that her boss, Mr. Pemperton, gave her another raise. When Marnie and Mark go to her mom's house to confront her with the past, the mom says to Mark, "You're not Mr. Pendleton."

Strutt describes Marnie (in an alias) as having blue eyes when he is describing her to detectives. Tippi Hedren's eyes are not blue, nor was she wearing blue contact lenses, as can be seen when she transforms back to her normal blonde coloring.

In the office before the storm, Mark states that he at one time wanted to be a zoologist. He mispronounces it "zoo-ologist" when it should be "zo-ologist". Marnie follows up with "zoo-ology" rather than "zo-ology".

Note - they are both British actors/characters and are talking to each other (in a movie set in the USA) : "zoo-ologist" and "zoo-ology" are the normal British pronunciations of zoologist and zoology despite the spellings not fitting that.