Continuity mistake: Riley is not wearing his wedding ring until the day of the burglary. (00:05:40 - 00:52:40)
Continuity mistake: When Pero and Cosimo meet in the prison yard after the disastrous Mullinski (Pero was paid off to step in for Cosimo's sentence) there's the same elderly extra with longish white hair in different shots behind Pero as well as behind Cosimo. (00:14:50)
Continuity mistake: When Pero is thrown down the stairs by his accomplices-to-be his shirt is tucked in. When the camera angle changes as he reaches the floor his butt is half exposed. (00:18:50)
Continuity mistake: After Pero has been thrown down the stairs Leon is sitting on him and threatening him with his knife key-chain. In close-up we see Pero's head lying between Rosalind's feet, but in the next shot she is still coming down the stairs. (00:19:05)
Continuity mistake: When Leon is threatening Pero with his knife key-chain in several close-ups Pero's left hand is raised. In between we seen him from the side and the arm is on the ground. (00:19:30)
Continuity mistake: When Jerzy tells the gang that he will only teach them how to crack the safe his hair turns totally wild for two shots, then back as it was before. (00:24:00)
Continuity mistake: When Pero fixes his first date with Carmela, the same extra in light-colored shirt and pants is passing behind him twice in the same direction in short succession. The second time the man has a dark sweater thrown over his left shoulder. (00:34:15)
Continuity mistake: When Carmela comes to Pero's place and surprises the gang he greets her trying to act cool, leaning against the wall with his arm up. There's a brief shot of Carmela where we also see a bit of Pero who is not moving at all, then the camera is back on Pero and he raises his arm again. (00:55:15)
Continuity mistake: When the gang breaks in through the coal chute Leon and Riley get drenched because the cellar is filled with water. When they move on Riley's sweater is way too dry. (01:00:35)
Continuity mistake: The gang take a break while they try to break through the wall. When they get up again Leon has some papers sticking in his back pocket. Then he is seen again rising from the sofa from a different camera angle, but now the papers are gone. (01:10:05)