Continuity mistake: As Shirley Jones is singing "In love with Me" at one point, she's sitting down, and is slouching back. The shot changes to the side, and she's sitting up straight, and is much higher against the counter than she was. Her hands have changed position as well, she's no longer holding onto the cup she had in her left hand. (01:19:55)
Continuity mistake: When Sid James is trying to make his favourite alcoholic drink, an "Aberdeen Angus" he discards the wrong mixture into a vase. You see that the vase is filled up to the top but then in the next shot the vase is only half filled and is a different colour!
Continuity mistake: During the close-up in the small boat when Elvis and his date go ashore at the plantation, his sailboat has been anchored a long distance from shore. In the aerial view, his sailboat is much closer to the dock.
Continuity mistake: At the end of the film when Leslie Phillips catches a lift from the lady in the sports car, the same silver Jaguar overtakes them twice in less than ten seconds.
Continuity mistake: During Mama Rose's last musical number, she rips one side of her dress to show her leg. However, when the musical number is completed, the rip is no longer in the dress.
Continuity mistake: Sakurai is having a steak dinner at home; in the close-up of the two steaks and fries, one of the men is holding a beer glass with their right hand, but it's not the case in the next shot. (00:07:40)
Other mistake: When Withers is training Harry,Bernie and Alfie to be firemen at their hideout,the second scene of them descending the ladder with a man over is shoulders is reused from earlier in the film when the gang were at the fire station watching the real fire men training ,the giveaway being the modern fire engine parked next to the ladder .
Continuity mistake: The egg that Daffy Duck picks up was not on the top when he approached the pile a few seconds earlier.
Continuity mistake: When Sam is going to the widow's house, he is carrying a box of chocolates and a bunch of flowers, but when he arrives at the door, the chocolates have disappeared and the flowers are completely different.
Continuity mistake: When Sylvester Junior is turning the wheel to pump oxygen into his father's diving suit, he spots a worm and starts following it, walking away from the pump. But when Sylvester bangs on the tank glass telling him to start pumping, we cut back to Sylvester Junior and he is back near the pump again.
Continuity mistake: When the bailiff is trying to repossess Albert's car outside the shop, the cars parked in the car park opposite change between shots.