Continuity mistake: When Jessica kills the sniper with the rock at the beginning, the sniper's body is lying dead on the ridge. When she shuffles down the dune to speak to Paul, mere seconds later, the sniper's body is no longer there. (00:09:04)
Continuity mistake: After the Virgil quote scene and the fight that follows, Lucius takes a bath. There's a close-up of him saying something about dying in the arena, and his hair is suddenly better brushed and drier. Then it goes back to the previous wet hairstyle.
Continuity mistake: Michell and the woman he meets in Uruguay are walking on the beach in the early morning. The sun behind them hasn't even come up over the horizon. There is one shot where it's much higher in the sky to the left of the characters. Then, it's below the horizon again.
Continuity mistake: When Gus March-Phillips is being recruited, Gus helps himself to whisky then grabs some cigars from a cigar box. The cigar box is easily identifiable as a Fuente Fuente Opus X brand, made by Arturo Fuente. Opus X cigars were first produced in November 1995.
Continuity mistake: When Samira and Eric arrive at the jazz club, Eric sits Samira down and then goes outside. A drum kit can be seen with "East Harlem Best" written on the front. Right after he leaves and right before Samira stands up to plug her iPod in, a bar stool has suddenly appeared in front of the drum kit. Eric will move this same bar stool in front of the drum kit himself again later on in the scene.
Continuity mistake: During the cartoon short that opens the movie, Joker, on his way to the stage, breaks the arm of a man in the corridor. In the background, slightly ahead of him in his path, is a poster for Charlie Chaplin's Modern Times. The camera angle changes as Shadow Joker turns around; he is supposed to be in the same spot, but the poster is way behind him; Joker is now standing next to the Pal Joey poster.
Continuity mistake: When Tremblay tells Lawrence that he delayed him being called to the Papal residence because he wanted to ascertain all the facts first, the folder in his hand suddenly opens between shots. (00:06:50)
Continuity mistake: After the scene with the elevator bringing up the bricks, Garrett Morris and Jane Curtin are having a chat, smoking together. Garrett asks, "You wonder exactly what it is you are doing here?" As he asks that, Kim Matula is leaning her head against her hand. The shot changes and it is dangling off the railing. (00:40:00)