The "goof" in the opening credits is actually a shot from the bank robbery episode only the shot is flipped, making it appear as if William Fichtner's character's disabled hand was unaffected.
In the opening credits Hickman is seen talking on his phone and holding it in his right hand, to his right ear, with no glove on or no visible injury preventing him from this task.
Edoardo Purgatori was chosen for the role of Antonio. Due to scheduling conflicts, he had to pass the project. The role went to Alan Cappelli Goetz instead.