Revealing mistake: In the middle of the movie, Roy is flossing his teeth by himself. In the mirror as well as when he turns around, you can see his hand holding the hook, if you look closely. (00:58:33)
Revealing mistake: Just when Ernie Mcracken wins the $1,000,000 and everybody crowds round to talk to him, you can clearly see Roy's hand popping out (and I think that the hook is hidden in the towel he has). (01:34:50)
Revealing mistake: You can clearly see a stick being used to ensure a strike after Roy tells Ishmael to step 2 boards to the left. (00:18:00)
Revealing mistake: Munson's nose starts bleeding before Claudia hits him. (01:00:53)
Revealing mistake: In the scene where Munson is lying in bed and his hook is in the radio if you look closely you can see that his whole hand is in the radio and the hook on top of his wrist.
