Continuity mistake: In the first few shots on the Jolly Roger, the pirate with red long hair has a wooden leg on his right side, which then switches to his left side. This switch continues in later shots. (00:20:45)
Continuity mistake: The first time we see the pirates a group of them are doing dagger-throwing at a chalk drawing, but in the very first shot the drawing is missing.
Continuity mistake: When Mr. Darling is upset about his chalk-covered shirt front, he runs his finger through the chalk map and erases a bit of the yellow mountain and blue lake, but when Wendy asks him what he's done to his shirt, the yellow chalk mountain is untouched again, and in the next shot as Mary wipes off the chalk, that erased yellow part reappears before Mary wipes it entirely.
Continuity mistake: During the final fight, the sail is supported with two ropes and a pulley. Next shot, the sail is only supported with one rope and no pulley.
Continuity mistake: At Skull Rock, after Captain Hook skewers his own feathered hat, when Peter draws his dagger the sheath promptly vanishes from his right hip and shortly reappears. Then it vanishes again, and reappears when Peter calls Hook a codfish on a hook. (00:43:10)
Continuity mistake: After Peter Pan saves Wendy, the dagger sheath switches sides. (01:05:07)
Continuity mistake: During a sword fight between Peter Pan and Captain Hook, the dagger is in Peter's hand and when he flies towards the rope ladder, the dagger is suddenly back in its sheath. (01:06:57)
Continuity mistake: After Peter cuts the rope around the mast where the kids are tied, there's a brief shot of Peter standing sideways on the mast. Look below and you'll notice that the ropes have vanished.
Continuity mistake: Wen Michael warns John and the lost boys about the Native Americans he is kicked out. In the aerial angle Michael's teddy bear disappears.
Continuity mistake: When we see Tiger Lily tied up to the anchor, the left side of the rope goes over the right side. A shot later it's the other way around.
Continuity mistake: When the pirates attack the crow's nest where the kids are, one of them cuts his moustache with his sword. Later on his moustache grows back.
Continuity mistake: When we see the windows of the Darling nursery, at the start and at the end, their height repeatedly switches between having either five or six horizontal rows of glass panes.
Continuity mistake: In the scene where the crocodile attacks Hook at Skull Rock, there is a shot where the croc bites Hook's left foot and the shoe comes off, leaving Hook's left foot bare. In the shot with Hook wrapped around the croc's snout, the shoe is back on Hook's left foot and his right foot is bare. (00:44:50)
Continuity mistake: During the bomb present scene, Peter Pan's dagger is missing.
Continuity mistake: Before Michael is abducted by the Native Americans his pajamas swap from pink to white.
Continuity mistake: During the final fight, the Jolly Roger flag disappears and then reappears.
Continuity mistake: During the final fight, Peter's dagger sheath disappears after jumping and then grabbing onto the rope.
Continuity mistake: After Captain Hook tricks Peter into promising not to fly, Peter's dagger sheath disappears after being pushed off the sails.
Continuity mistake: After Peter Pan's dagger was thrown away, the dagger is back in its sheath.
Continuity mistake: Peter Pan's dagger is usually shown with a pommel, but after being caught by Captain Hook and thrown away behind him mid-combat, the handle has a different appearance.
Answer: In the original stage play by J.M. Barrie, he was a bank clerk. I don't think what he did for work was brought up in the 1953 film.
Bishop73