During the first boxing scene, when the assistant is helping the sailor put on his coat, the coat is on nearly all the way; then, in the next shot, it is shown being put back on again.
At twenty-five minutes into the film, as the men are walking away from the girl, her hand jumps from holding the arm band at her wrist to above her elbow between shots.
When the fortune teller is telling the girl's fortune, she puts down a king directly on top of the ten of spades, but in the next shot the king is only partially covering the ten of spades.
On the day of Jack's trial, when the girl is selling tickets, her arm position changes between shots.
During the boxing match after the wedding, the boxers are fighting very close together in one shot, but in the next shot they have separated considerably and are in a different part of the ring.
When Bob Corby is glancing at the girl while she's hiding her arm band, it is very clear that the same shot is used twice.
When the girl unlocks the lock to get into the flat, she turns the key the wrong way i.e. she would actually be locking the door.