????

Continuity mistake: Ray Cutler decides to leave the Rainbow Cabins and says to Polly, "Give me a hand with this stuff, will ya, Honey". As he says this he picks up a suitcase which has nothing on top of it, but when we saw it earlier in the scene there were clothes on top of it. (00:49:35)

????

Continuity mistake: Marilyn sleeps in her hospital bed as the song "Kiss" plays from the bell tower. At first she's sleeping on her back then in the next shot she's on her side. (00:57:15)

????

Continuity mistake: George Loomis chases Polly at the Cave Of The Winds and she almost gets killed braking apart the wooden rail as she runs into it. The part of the railing hanging on the left changes position between shots. (00:54:40)

????

Continuity mistake: Marilyn walks up to the ticket booth and gets a refund for one of the tickets to Chicago that she bought earlier in the movie. Looking at her luggage we see no marks on it at all. She picks it up the same way she puts it down, but in the next shot a large black mark appears on the front of it. (01:01:15)

????

Continuity mistake: As Polly Cutler lays out on a beach chair sunning herself Ray steps back and decides to take a picture of her sitting there. Niagara Falls, which are always seen behind them are not in this shot, which has obviously been filmed on a sound stage. The bushes against the stone pillar are also different. (00:34:55)

????

Continuity mistake: At the Rainbow Cabins, Mrs. Kettering hands Polly Cutler a bouquet of roses and the pink bow is on the left. In the next shot the bow is rotated 45 degrees to the right and is now facing Mrs. Kettering. (00:44:10)

????

Continuity mistake: Marilyn's lover writes a one line message to her on a postcard and places it back into the postcard rack. She walks over and reads it and we now see that there are 6 lines written on the back of the card. (00:34:05)

????

Continuity mistake: At the Scenic Tunnel Marilyn's lover writes a message to her on a postcard and places it back into the rack. She walks over and reads it but it isn't in the same place that he put it as the postcard next to it is different. (00:33:55)

????

Continuity mistake: Several dark marks appear then disappear and then reappear at different times on the Loomis's front door to cabin B. The marks are there during the party when George Loomis storms out and breaks the record, but then they're not there as Marilyn walks back into the room after speaking to the Cutler's. (00:36:05)

????

Continuity mistake: In bed in their room Marilyn says, "Get me some orange juice Georgie" as she lays in bed on her side. In the next shot she's lying on her back. (00:29:30)

????

Continuity mistake: As Marilyn walks into room 7-A of the City Morgue to identify her husband George she's carrying her pocketbook in her right hand. After she sees the body she faints and falls to the floor but we never hear the pocketbook hit the floor because it has been neatly placed next to her before she fell. (00:42:05)

????

Continuity mistake: At the Rainbow Cabins, Polly Cutler lays out on a beach chair sunning herself as Ray comes out to talk to her. There's a second chair about 10 feet to her right but the in the next shot it moves right up next to her. (00:34:40)

????

Continuity mistake: Ray Cutler runs out of the cabin office and says to Polly, "How do you like that?". In the overhead shot you can see tire marks on the gravel driveway but in the next shot there are none. (00:34:30)

????

Continuity mistake: George Loomis goes over to the front door and shuts the light so that Polly Cutler can see the falls in the dark. The blinds on the left of the door are half open but when we see them again later in the scene, they're fully open even though no one has gone near them. (00:24:05)

????

Continuity mistake: Polly Cutler enters cabin B in order to put some Mercurochrome on George Loomis' cut and the do not disturb sign on the door knob is tilted to the left. No one goes near it but later in the scene it's been set straight. (00:22:55)

????

Continuity mistake: George Loomis throws a lit cigarette at the ash tray on the table to the right of the door as Polly Cutler knocks. We see the cigarette smoldering on the table but two shots later after she enters we see the same spot again and it's gone without anyone going near it. (00:20:50)

????

Continuity mistake: Polly Cutler enters cabin B in order to put some Mercurochrome on George Loomis' cut hand. At first the yellow notice on the left door post is entirely in the light, then in the next shot as she walks through the door the lighting has changed and it's in the shade. (00:20:45)

????

Continuity mistake: During the outdoor party at the Rainbow Cabins Marilyn walks out and asks the DJ to play "Kiss". No one goes near them but the three chairs that she passes on her right move about a foot closer to the record player when she walks away. (00:17:30)

????

Continuity mistake: As George Loomis goes over to the front door and shuts the lights so that Polly Cutler can see the falls in the dark, a pink sweater appears on the red and white chair behind him. (00:23:00)

????

Continuity mistake: After Polly Cutler enters cabin B in order to put some Mercurochrome on George Loomis' cut hand the model car that he has been assembling sits on the table to the right of the front door. It moves closer to the ashtray as the scene progresses. (00:22:55)

????