When the group exit the escape room, the Russian has his pistol aimed at them. In the next shot he is aimed at the kneeling woman.
In the restaurant, Cole drops the pink note which was wrapped in a roll of currency. It lands on the floor flat, then, then rolled when the waiter picks it up and hands it to ole. In Cole's hand, it is again flattened when he unrolls it.
Cole pulls on every cell door he approaches to free his friends, repeatedly pulling, when he would know with one pull of each if they are unlocked.
It's unexplained how Dash escapes from the iron maiden into which he was tied.