Goofs

When Peter Lake is trying to crack the safe and discovers Beverly Penn, the safe's handle switches from horizontal (just turned by Lake to open it) to vertical, then back to horizontal in subsequent shots.

When Pearly fights Peter the very last time during present day in front of the Coheeries, the horse flies off with just a bridle on. When he flies back to crack the ice, he is wearing a noseband and his bridle.

At about 1:11:00, when Crowe and his henchmen surround our hero and his horse on the bridge, Crowe yells, "Skin that white dog alive!" as his partner throws a weighted lasso around the horse's front legs. The horse falls to the ground as a result in the very next angle, but it's legs are no longer bound. The henchmen then proceed to toss a net over it.

near the end of the film the scene in the greenhouse where Peter Lake helps to save Abby in the camera angle showing Virginia Gamely you can see how the greenhouse doors are open then closed several times between camera angle changes.

At approximately 10 minutes into the film (set around 1916), Beverly tells the optometrist, who appears uneasy about her "fever" or "consumption" (i.e., active tuberculosis infection): "Don't worry, it's not contagious." This is not true, and she should have known it.

The main part of the movie is set in 1916, but the book being read by the Judge/Lucifer (Will Smith) while he's relaxing on the couch is Stephen Hawking's, "A Brief History of Time" which won't be published until 1988. He is also wearing a Jimi Hendrix t-shirt. However, as Lucifer speaks about how his past, present, and future is all now, having these out of time items is part of the concept.

Little Willa is about 7 or 8 in 1916, which would make her about 105 in 2014 when she meets Peter again. Due to the premise of the film, this is not necessarily oversight, but indicates that she is special like many of the other characters.

Aram Khachaturian's "Masquerade Suite" plays during the 1914 New Year's ball. Khachaturian wrote the suite in 1941.

Early on, the film shows an image of the current Grand Central Station, with a title card that shows the date as the 1800's. The current structure was built in 1913. The correct name is Grand Central Terminal.

When Peter is on the pier explaining the story of the spirit guides, a camera on a dolly is visible in the background across the water, slowly backing up behind some crates.

If Peter Lake was washed up in Brooklyn as an infant, he should have a Brooklyn accent, not an Irish one.

When Peter Lake leaves the house he intended to rob he forgets to take his tool sack with him.